Oak Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Park, a village in Cook County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
7-day forecast for Oak Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Wednesday | 81°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph WSW | 67% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph W | 90% |
| Thursday | 78°F | Rain Showers Likely | 0 to 5 mph NNE | 73% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 29% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SSE | 4% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SSE | 9% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 9% |
| Saturday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 19% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 44% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 48% |
Forecast source: National Weather Service (api.weather.gov) for Oak Park (41.887, -87.790). Updated through the day.
Growing snapshot for Oak Park
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
More local growing data for Oak Park: nearby ZIP 60301 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Midway Ap, Il (7.4 mi from Oak Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.