NWS Forecast for Oak Park IL

National Weather Service Forecast for: Oak Park IL
Issued by: National Weather Service Chicago, IL

Updated: 3:01 am CDT Jun 22, 2026

Overnight Chance Showers	Monday Decreasing Clouds	Monday Night Mostly Clear	Tuesday Mostly Sunny	Tuesday Night Mostly Cloudy	Wednesday Slight Chance Showers then Chance T-storms	Wednesday Night Chance T-storms then Chance Showers	Thursday Mostly Sunny	Thursday Night Partly Cloudy
Lo 59 °F	Hi 70 °F	Lo 56 °F	Hi 72 °F	Lo 59 °F	Hi 78 °F	Lo 62 °F	Hi 78 °F	Lo 60 °F

Beach Hazards Statement
Hazardous Weather Outlook

Overnight	A 40 percent chance of showers, mainly before 5am. Cloudy, with a low around 59. Northeast wind around 15 mph, with gusts as high as 20 mph.
Monday	Mostly cloudy, then gradually becoming sunny, with a high near 70. North northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night	Mostly clear, with a low around 56. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday	Mostly sunny, with a high near 72. East northeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night	Mostly cloudy, with a low around 59. East wind around 5 mph becoming south after midnight.
Wednesday	A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Wednesday Night	A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday	Mostly sunny, with a high near 78.
Thursday Night	Partly cloudy, with a low around 60.
Friday	Mostly sunny, with a high near 78.
Friday Night	Mostly cloudy, with a low around 62.
Saturday	Partly sunny, with a high near 80.
Saturday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday	Mostly sunny, with a high near 88.

Forecast from NOAA-NWS for Oak Park IL.