Tinley Park Weather
Weather in Tinley Park, Illinois: current conditions, forecast, warnings, monthly averages and seasonal guide
Hourly forecast
7-day forecast for Tinley Park
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Today28 Apr | Overcast | 11% | 15°C9°C | Overcast with a high of 15°C and low of 9°C. 11% chance of rain. UV index 7 (high). | |
| Wed29 Apr | Moderate rain | 19%9.4mm | 11°C5°C | Moderate rain with a high of 11°C and low of 5°C. 19% chance of rain, up to 9.4mm. UV index 4.9 (moderate). | |
| Thu30 Apr | Light drizzle | 10%0.4mm | 14°C5°C | Light drizzle with a high of 14°C and low of 5°C. 10% chance of rain, up to 0.4mm. UV index 6.4 (high). | |
| Fri1 May | Slight snow showers | 5%0.4mm | 10°C5°C | Slight snow showers with a high of 10°C and low of 5°C. 5% chance of rain, up to 0.4mm. UV index 5.3 (moderate). | |
| Sat2 May | Light drizzle | 1%0.2mm | 12°C3°C | Light drizzle with a high of 12°C and low of 3°C. 1% chance of rain, up to 0.2mm. UV index 5.6 (moderate). | |
| Sun3 May | Overcast | 18% | 18°C5°C | Overcast with a high of 18°C and low of 5°C. 18% chance of rain. UV index 6.6 (high). | |
| Mon4 May | Overcast | 18% | 20°C7°C | Overcast with a high of 20°C and low of 7°C. 18% chance of rain. UV index 6.7 (high). |
Extended outlook — days 8 to 14
Extended forecasts beyond 7 days are less reliable and should be used as a general guide only.
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Tue5 May | Overcast | 21% | 20°C12°C | Overcast with a high of 20°C and low of 12°C. 21% chance of rain. UV index 5.3 (moderate). | |
| Wed6 May | Light drizzle | 20%1.2mm | 12°C7°C | Light drizzle with a high of 12°C and low of 7°C. 20% chance of rain, up to 1.2mm. UV index 2.3 (low). | |
| Thu7 May | Light drizzle | 16%0.3mm | 9°C6°C | Light drizzle with a high of 9°C and low of 6°C. 16% chance of rain, up to 0.3mm. UV index 2.4 (low). | |
| Fri8 May | Overcast | 14% | 11°C3°C | Overcast with a high of 11°C and low of 3°C. 14% chance of rain. UV index 3.9 (moderate). | |
| Sat9 May | Overcast | 27% | 19°C4°C | Overcast with a high of 19°C and low of 4°C. 27% chance of rain. UV index 6.2 (high). | |
| Sun10 May | Overcast | 16% | 26°C13°C | Overcast with a high of 26°C and low of 13°C. 16% chance of rain. UV index 6.9 (high). | |
| Mon11 May | Light drizzle | 32%0.7mm | 21°C13°C | Light drizzle with a high of 21°C and low of 13°C. 32% chance of rain, up to 0.7mm. UV index 3.1 (moderate). |
Sun & Moon — Tinley Park
UV Index — Tinley Park
Protection required. Seek shade during midday, wear sunscreen and a hat.
Air Quality — Tinley Park
Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Air quality data from Open-Meteo
Climate overview
Tinley Park, Illinois, exhibits a humid continental climate, classified as Dfa under the Köppen system. This designation signifies four distinct seasons with warm to hot, humid summers and cold, snowy winters. Its inland location within North America, far from the moderating influence of large oceans, largely dictates this temperature variability and seasonal extremes.
The region's climate is predominantly shaped by its position in the mid-latitudes, where it experiences the collision of different air masses. Arctic air masses frequently descend from Canada in winter, bringing frigid temperatures and snow. Conversely, warm, moist air from the Gulf of Mexico pushes northward in summer, contributing to high humidity and occasional convective thunderstorms. The lack of significant mountain ranges to the north or west allows these air masses to move relatively unimpeded across the landscape.
Prevailing westerly winds play a significant role throughout the year, influencing weather patterns and bringing diverse conditions. During winter, these winds can exacerbate the cold, creating harsh wind chill factors. In summer, they help to circulate warm air, though local sea breezes from Lake Michigan, while distant, can sometimes provide a slight moderating effect to communities closer to the lake, which Tinley Park experiences to a lesser degree due to its inland position. The nearby urban heat island effect of Chicago also slightly moderates winter lows and elevates summer highs in surrounding areas like Tinley Park.
Compared to cities further east or west at similar latitudes, Tinley Park experiences a more pronounced continental climate. For instance, coastal cities at similar latitudes often have milder winters and less extreme summer heat due to oceanic influences. This distinct seasonality makes Tinley Park's climate a classic example of the Dfa classification, characterized by its wide annual temperature range and ample precipitation throughout the year, albeit with summer generally being the wettest season.
Tinley Park receives approximately 950-1000 mm (37-39 inches) of rainfall annually, with the wettest months from May through July, with June often being the wettest month. Tinley Park enjoys an average of around 2500 hours of sunshine annually. This translates to approximately 8-10 hours of sunshine per day in summer, decreasing to 5-6 hours in spring and autumn, and around 3-4 hours daily during the winter months. These figures are generally comparable to the national average for inland continental climates, with ample sunshine supporting outdoor activities for much of the year, particularly from spring to early autumn. High UV radiation levels are common during summer, necessitating sun protection.
Tinley Park's microclimate is primarily influenced by its inland position and the broader urban environment of Chicago. While not directly on Lake Michigan, Tinley Park experiences some subtle lake effects, particularly during spring and early summer when lake breezes can slightly moderate temperatures compared to areas further inland. This often results in slightly cooler conditions during the late morning and early afternoon on certain days.
The urban heat island effect from the greater Chicago metropolitan area also plays a role, especially in winter, where temperatures in Tinley Park might be a degree or two warmer than surrounding rural areas due due to heat absorbed and radiated by buildings and infrastructure. Elevation differences within Tinley Park are minimal, so they do not significantly impact microclimates. However, depressions and low-lying areas can sometimes act as 'frost hollows' on clear, calm nights, leading to slightly colder temperatures.
Monthly averages for Tinley Park
Climate data sourced from NOAA National Centers for Environmental Information (NCEI) climate data for the Tinley Park and Chicagoland region. Summer temperatures range from 20°C to 30°C (68°F to 86°F), while winter sits between -8°C to 2°C (18°F to 36°F).
| Month | Avg High | Avg Low | Rain (mm) | Rain Days |
|---|---|---|---|---|
| January | -1°C | -10°C | 46 | 10 |
| February | 1°C | -8°C | 45 | 9 |
| March | 8°C | -2°C | 68 | 10 |
| April | 15°C | 4°C | 94 | 12 |
| May | 21°C | 9°C | 110 | 12 |
| June | 26°C | 15°C | 105 | 10 |
| July | 28°C | 18°C | 100 | 9 |
| August | 27°C | 17°C | 90 | 9 |
| September | 23°C | 12°C | 82 | 8 |
| October | 16°C | 5°C | 80 | 9 |
| November | 8°C | -1°C | 75 | 10 |
| December | 1°C | -7°C | 60 | 11 |
Water temperature
Water temperatures in nearby Lake Michigan and local bodies of water vary significantly by season. During the summer, average lake temperatures range from 21-24°C (70-75°F), making it suitable for swimming, recreational boating, and watersports at designated beaches like those along the Chicago lakefront. Wetsuits are generally not required for surface activities during the warmest months.
In contrast, winter water temperatures plunge to between 0-4°C (32-39°F). During this period, surface ice often forms on smaller lakes and ponds, and even portions of Lake Michigan can freeze over near the shore. These frigid temperatures are unsuitable for swimming and require specialized cold-water gear for any marine activities. Estuary and inland lake temperatures tend to warm faster in spring and cool faster in autumn than the larger expanse of Lake Michigan.
Summer water temperatures around Tinley Park range from 21-24°C (70-75°F), cooling to 0-4°C (32-39°F) in winter.
Things to do this summer in Tinley Park
Summer in Tinley Park can be hot and humid, so light, breathable clothing like cotton or linen is recommended. Sunscreen with a high SPF, a wide-brimmed hat, and sunglasses are essential due to high UV levels. Stay hydrated by drinking plenty of water, especially during outdoor activities. Thunderstorms can develop rapidly, so always check the forecast before heading out and seek shelter immediately if storms approach. Mosquitos are also prevalent in the evenings, so insect repellent is advisable. Driving conditions are generally good, but heavy downpours can cause temporary localized flooding.
- Attend a concert at the Hollywood Casino Amphitheatre
- Explore the Tinley Park Farmers Market
- Enjoy a picnic or walk at Tinley Creek Forest Preserve
- Play a round of golf at Odyssey Golf Foundation
- Swim and splash at the Tinley Park Park District Aquatic Center
- Visit the numerous local parks and playgrounds
- Cycle along the extensive regional trail system
- Attend the Tinley Park Block Party
Best time to visit Tinley Park
The best time to visit Tinley Park is during the late spring (May to June) and early autumn (September to October). These shoulder seasons offer pleasant temperatures, less humidity, and fewer crowds, making them ideal for outdoor activities and exploring local attractions comfortably. May and June showcase blooming flowers and vibrant greenery, perfect for park visits and outdoor dining.
September and October provide crisp air, beautiful fall foliage, and comfortable conditions for hiking or attending outdoor festivals. Summer (July-August) can be enjoyable for those who appreciate warm weather and don't mind higher humidity, with many community events taking place. However, be prepared for potential heatwaves and thunderstorms during these months.
Winter (November to March) is generally cold and snowy, which might appeal to visitors interested in winter sports or cozy indoor activities, but it's important to be prepared for challenging driving conditions and freezing temperatures. It is best to avoid peak summer heat if you are sensitive to high temperatures and humidity, or peak winter if you dislike cold and snow.
Weather radar — Tinley Park
Weather warnings & safety
Tinley Park is subject to a range of severe weather phenomena throughout the year. Spring and summer bring frequent thunderstorms, which can be severe, producing large hail, damaging winds, and occasional tornadoes. The region is part of 'Tornado Alley,' and while direct strikes are rare, the threat is always present during severe weather outbreaks.
Heavy rainfall can lead to flash flooding, particularly in urban areas with insufficient drainage, often accompanying strong thunderstorms. Heatwaves are common in summer, with temperatures often exceeding 32°C, sometimes coupled with high humidity, posing health risks. Winters can bring blizzards, heavy snowfall, and dangerous ice storms, making travel hazardous.
While bushfires are not a primary concern, grass fires can occur during dry periods. Droughts are possible, typically extending water restrictions and impacting agriculture. Flooding along local rivers and creeks, particularly the Tinley Creek, can also occur due to prolonged heavy rain or rapid snowmelt.
Latest weather news — Tinley Park
Weather near Tinley Park
Frequently asked questions about Tinley Park weather
What is the weather in Tinley Park right now?
Right now in Tinley Park it is 10°C and overcast. Today's high is 15°C with a low of 9°C. Humidity is at 87%. Wind is W at 18 km/h.
What is the 14-day forecast for Tinley Park?
Today (28 Apr): Overcast with a high of 15°C and low of 9°C. 11% chance of rain. UV index 7 (high). Wed (29 Apr): Moderate rain with a high of 11°C and low of 5°C. 19% chance of rain, up to 9.4mm. UV index 4.9 (moderate). Thu (30 Apr): Light drizzle with a high of 14°C and low of 5°C. 10% chance of rain, up to 0.4mm. UV index 6.4 (high). Fri (1 May): Slight snow showers with a high of 10°C and low of 5°C. 5% chance of rain, up to 0.4mm. UV index 5.3 (moderate). Sat (2 May): Light drizzle with a high of 12°C and low of 3°C. 1% chance of rain, up to 0.2mm. UV index 5.6 (moderate). Sun (3 May): Overcast with a high of 18°C and low of 5°C. 18% chance of rain. UV index 6.6 (high). Mon (4 May): Overcast with a high of 20°C and low of 7°C. 18% chance of rain. UV index 6.7 (high). Tue (5 May): Overcast with a high of 20°C and low of 12°C. 21% chance of rain. UV index 5.3 (moderate). Wed (6 May): Light drizzle with a high of 12°C and low of 7°C. 20% chance of rain, up to 1.2mm. UV index 2.3 (low). Thu (7 May): Light drizzle with a high of 9°C and low of 6°C. 16% chance of rain, up to 0.3mm. UV index 2.4 (low). Fri (8 May): Overcast with a high of 11°C and low of 3°C. 14% chance of rain. UV index 3.9 (moderate). Sat (9 May): Overcast with a high of 19°C and low of 4°C. 27% chance of rain. UV index 6.2 (high). Sun (10 May): Overcast with a high of 26°C and low of 13°C. 16% chance of rain. UV index 6.9 (high). Mon (11 May): Light drizzle with a high of 21°C and low of 13°C. 32% chance of rain, up to 0.7mm. UV index 3.1 (moderate).
What is the air quality in Tinley Park today?
The current air quality index in Tinley Park is 35 (European AQI), rated "Fair". Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion. PM2.5 is 3.5 µg/m³. PM10 is 3.5 µg/m³.
What is the average wind speed in Tinley Park?
Tinley Park experiences varying wind speeds depending on the season and weather patterns. On average, winds are typically around 8-16 km/h (5-10 mph). However, during spring and autumn, and especially during severe thunderstorms or winter cold fronts, gusts can exceed 40-60 km/h (25-37 mph). The prevailing winds are generally from the west or southwest.
How high does the UV index get in Tinley Park?
During the summer months (June to August), the UV index in Tinley Park frequently reaches 'high' to 'very high' levels, often peaking at 7-9, and occasionally 10+. Even in spring and early autumn, moderate to high UV levels (3-6) are common on clear days. Sun protection, including sunscreen, hats, and sunglasses, is highly recommended during these periods, especially between 10 AM and 4 PM.
How much rain does Tinley Park get annually?
Tinley Park receives an average annual rainfall of approximately 950-1000 mm (37-39 inches). Precipitation is relatively evenly distributed throughout the year, but the wettest months typically occur from May through July. These warmer months often see rainfall in the form of intense thunderstorms, contributing significantly to the annual total.
When are sunrise and sunset in Tinley Park?
Sunrise and sunset times in Tinley Park vary greatly throughout the year due to its mid-latitude location. In summer, the sun can rise as early as 5:15 AM and set as late as 8:30 PM. In winter, sunrise can be closer to 7:15 AM, with sunset occurring around 4:30 PM. Daylight saving time also shifts these times during spring and autumn months.
What is the air quality like in Tinley Park?
Air quality in Tinley Park is generally good to moderate, often influenced by conditions in the broader Chicago metropolitan area. It can fluctuate daily depending on weather patterns, traffic, and industrial emissions. On some days, particularly during stagnant summer conditions, ground-level ozone or particulate matter (PM2.5, PM10) levels can rise, leading to moderate or, occasionally, unhealthy for sensitive groups (Orange) AQI readings. Real-time AQI data is available for daily updates.
When is the best time for outdoor activities in Tinley Park?
The best time for most outdoor activities in Tinley Park is late spring (May-June) and early autumn (September-October). During these months, temperatures are mild, humidity is lower, and rainfall is generally less intense compared to summer. The blooming flowers of spring and the vibrant fall foliage provide beautiful backdrops for exploring parks and trails without the discomfort of extreme heat or cold.
Does it snow much in Tinley Park?
Yes, Tinley Park experiences significant snowfall during winter. On average, the area receives about 90-100 cm (35-40 inches) of snow annually. January and February are typically the snowiest months. Heavy snowfall and occasional blizzards can lead to difficult travel conditions and require residents to be prepared for winter weather challenges.
What are average summer temperatures in Tinley Park?
Summer temperatures in Tinley Park generally range from 20°C to 30°C (68°F to 86°F) from June through August. High humidity often makes these temperatures feel warmer, with heat index values frequently reaching into the low to mid-30s °C (90s °F). Overnight lows typically stay above 15°C (59°F), providing little relief.
What are average winter temperatures in Tinley Park?
Winter in Tinley Park is characterized by cold temperatures, with averages ranging from -8°C to 2°C (18°F to 36°F) between December and February. Overnight lows can frequently drop below -10°C (14°F), and severe cold snaps can see temperatures plummet even further. Wind chill can make these temperatures feel much colder.
Are there any specific driving hazards in Tinley Park's weather?
Yes, several driving hazards are common. In winter, snow and ice can make roads extremely slippery, leading to dangerous conditions and reduced visibility during blizzards. In summer, heavy thunderstorms can cause sudden downpours, leading to temporary flash flooding on roads. Fog can also occur seasonally, reducing visibility, especially in low-lying areas. Always check forecasts and adjust driving accordingly.
What moon phases are visible in Tinley Park?
Like all locations in the Northern Hemisphere, Tinley Park experiences the full cycle of moon phases: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent. Different phases are visible at various times of the night throughout the lunar cycle. The Full Moon is particularly prominent, offering bright illumination on clear nights.
What should I wear for visiting Tinley Park in different seasons?
Layering is generally advisable for all seasons. In summer, light clothing, hats, and sunglasses are best. Spring and autumn require versatile layers, including a light jacket and rain gear. Winter demands heavy, insulated clothing, including a waterproof coat, hat, gloves, and warm boots, due to often sub-zero temperatures and snow. Always check the daily forecast before heading out to pack appropriately.
Can I swim in nearby waters in Tinley Park?
While Tinley Park does not have large natural swimming bodies directly within its limits, recreational swimming is popular in nearby public aquatic centers and the beaches of Lake Michigan (accessible with a drive). Lake Michigan's summer water temperatures average 21-24°C (70-75°F), offering comfortable swimming. Local ponds and creeks are generally not recommended for swimming due to water quality and safety concerns.
What are the risks of severe weather in Tinley Park?
Tinley Park faces several severe weather risks, including severe thunderstorms with high winds, hail, and tornadoes primarily in spring and summer. Flash flooding is also a concern during heavy rain events. Winters bring risks of blizzards, ice storms, and extreme cold with dangerous wind chills. Heatwaves are common in summer, and drought conditions can develop during prolonged dry spells. Staying informed via local weather alerts is crucial.

