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Hourly Forecast
Daylight Hours
06:38
Sunrise
18:51
Sunset
Moon
Waxing Crescent
12:37
Moonrise
20:53
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Oak Lawn today, September 16, 2026
Oak Lawn stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 02:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 26°C and cooler readings close to 20°C. Moisture in the air spans 69%-97%, with the highest values around 03:00. Winds stay light, near 3.7 km/h by 16:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 13.0 km, with poorer spells close to 3.3 km. The sun rises at 06:38 and sets at 18:51, for a total of 12 hours 12 minutes of sunlight today.
Overall, Oak Lawn on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 26°C.
Frequently asked questions about weather in Oak Lawn
How warm does it get in Oak Lawn?
The warmest month in Oak Lawn is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Oak Lawn?
The coldest month in Oak Lawn is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Oak Lawn?
The wettest month in Oak Lawn is May, with an average of 123mm of precipitation.
What is the driest time of year in Oak Lawn?
The driest month in Oak Lawn is February, with an average of 61mm of precipitation.
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