Oak Lawn, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Oak Lawn now
Loading the National Weather Service forecast…
Oak Lawn weather by the hour
Oak Lawn weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Oak Lawn.
This week in Oak Lawn
Sunrise, sunset and moon in Oak Lawn
What is the weather usually like in Oak Lawn?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 20°F average low
- 40.9 inprecipitation per year · 1,038 mm
- 38.8 insnowfall per year · 99 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Oak Lawn: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CHICAGO MIDWAY AP 3SW, IL US (USC00111577), adjusted for the elevation of Oak Lawn.
Oak Lawn weather month by month
Sunrise and sunset in Oak Lawn through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:13 AM | 4:47 PM | 9 h 33 min |
| February | 6:44 AM | 5:25 PM | 10 h 41 min |
| March | 7:00 AM | 6:58 PM | 11 h 58 min |
| April | 6:08 AM | 7:33 PM | 13 h 24 min |
| May | 5:29 AM | 8:05 PM | 14 h 36 min |
| June | 5:14 AM | 8:28 PM | 15 h 14 min |
| July | 5:28 AM | 8:25 PM | 14 h 57 min |
| August | 5:58 AM | 7:52 PM | 13 h 54 min |
| September | 6:30 AM | 7:02 PM | 12 h 31 min |
| October | 7:02 AM | 6:11 PM | 11 h 9 min |
| November | 6:39 AM | 4:32 PM | 9 h 53 min |
| December | 7:09 AM | 4:22 PM | 9 h 13 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Oak Lawn?
Oak Lawn has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 40.9 inches (1,038 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 39 inches fall in an average year.
The best time to visit Oak Lawn is June to September. At 597 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Oak Lawn
Weather in towns near Oak Lawn
Questions about the weather in Oak Lawn
What is the hottest month in Oak Lawn?
July, with an average high of 85°F (30°C).
What is the coldest month in Oak Lawn?
January, with an average low of 20°F (-7°C).
How much does it rain in Oak Lawn?
About 40.9 inches (1,038 mm) a year; the wettest month is May.
Does it snow in Oak Lawn?
Yes, about 39 inches of snow fall in an average year.
When is the best time to visit Oak Lawn?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Oak Lawn have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Oak Lawn in November?
Highs average 50°F and lows 35°F, with about 2.7 inches of precipitation.
What time is sunrise in Oak Lawn?
Around 6:39 AM in mid-November, and sunset around 4:32 PM. Today’s exact times are shown above.
Where does this Oak Lawn weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Oak Lawn.
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