National Weather Service Forecast for: Oak Lawn IL
Issued by: National Weather Service Chicago, IL
Updated: 1:21 pm CDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 57. South southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 77. West wind 5 to 10 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph, with gusts as high as 10 mph.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 68. North northwest wind 5 to 10 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 50.
Mostly Clear
 Friday

Friday: Sunny, with a high near 69.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 79.
Sunny
Hi 73 °F Lo 57 °F Hi 77 °F Lo 54 °F Hi 68 °F Lo 50 °F Hi 69 °F Lo 59 °F Hi 79 °F

 

This Afternoon
 
 Sunny, with a high near 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
 
 Mostly clear, with a low around 57. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny, with a high near 77. West wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 54. West wind around 5 mph, with gusts as high as 10 mph.
Thursday
 
 Mostly sunny, with a high near 68. North northwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 50.
Friday
 
 Sunny, with a high near 69.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Sunny, with a high near 79.
Saturday Night
 
 Partly cloudy, with a low around 63.
Sunday
 
 Mostly sunny, with a high near 76.
Sunday Night
 
 Partly cloudy, with a low around 59.
Columbus Day
 
 Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Oak Lawn IL.