River Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for River Grove, 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 River Grove
| 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 | 24% |
| Wednesday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph WSW | 70% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 0 to 5 mph WNW | 90% |
| Thursday | 78°F | Rain Showers Likely | 0 to 5 mph N | 70% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 26% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SSE | 4% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SSE | 8% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 20% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 20% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 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 River Grove (41.924, -87.838). Updated through the day.
Growing snapshot for River Grove
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6a
More local growing data for River Grove: nearby ZIP 60171 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Chicago
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Climate data from the nearest NOAA station, Chicago Ohare Intl Ap, Il (6.9 mi from River Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.