National Weather Service Forecast for: Oak Park IL
Issued by: National Weather Service Chicago, IL
Updated: 8:56 am CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 54. East wind around 5 mph.
Sunny
 Tonight

Tonight: Mostly cloudy, with a low around 41. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Mostly Cloudy
 Friday

Friday: Mostly cloudy, with a high near 63. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Mostly Cloudy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 40. North northeast wind around 5 mph.
Mostly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 63. East wind 5 to 10 mph becoming southwest in the afternoon.
Mostly Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 46.
Partly Cloudy
 Sunday

Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 61.
Slight Chance
Showers
 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 32.
Mostly Cloudy
 Monday

Monday: Mostly sunny, with a high near 42.
Mostly Sunny
Hi 54 °F Lo 41 °F Hi 63 °F Lo 40 °F Hi 63 °F Lo 46 °F Hi 61 °F Lo 32 °F Hi 42 °F

 

This Afternoon
 
 Sunny, with a high near 54. East wind around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 41. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Friday
 
 Mostly cloudy, with a high near 63. West southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, with a low around 40. North northeast wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 63. East wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 46.
Sunday
 
 A 20 percent chance of showers. Mostly cloudy, with a high near 61.
Sunday Night
 
 Mostly cloudy, with a low around 32.
Monday
 
 Mostly sunny, with a high near 42.
Monday Night
 
 Mostly cloudy, with a low around 32.
Tuesday
 
 Mostly cloudy, with a high near 52.
Tuesday Night
 
 Mostly cloudy, with a low around 36.
Wednesday
 
 Mostly cloudy, with a high near 54.

 

Forecast from NOAA-NWS for Oak Park IL.