Park Forest, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Park Forest, a village in Cook County, Illinois.
This Afternoon
74°F
Chance Rain
A chance of rain after 1pm. Partly sunny. High near 74, with temperatures falling to around 71 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
7-day forecast for Park Forest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Rain | 15 to 20 mph S | 30% |
| Tonight | 61°F | Rain | 15 mph S | 75% |
| Wednesday | 65°F | Chance Rain then Mostly Cloudy | 15 mph SSW | 53% |
| Wednesday Night | 49°F | Mostly Cloudy | 15 mph SW | 9% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Rain | 10 to 15 mph SW | 15% |
| Thursday Night | 44°F | Chance Rain | 5 to 10 mph WNW | 42% |
| Friday | 54°F | Chance Rain | 10 mph N | 31% |
| Friday Night | 38°F | Slight Chance Rain then Mostly Cloudy | 5 to 10 mph NNW | 15% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 11% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph WSW | 6% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 10% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 6% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Park Forest (41.482, -87.687). Updated through the day.
Growing snapshot for Park Forest
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Park Forest: nearby ZIP 60466 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Park Forest, Il (1.1 mi from Park Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.