Fox River Grove, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fox River Grove, a village in Mchenry County, Illinois.
Today
63°F
Scattered Rain Showers then Patchy Drizzle
Scattered rain showers before 9am, then patchy drizzle and isolated rain showers. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fox River Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SW | 27% |
| Tonight | 47°F | Patchy Drizzle | 15 mph SW | 15% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 39°F | Chance Rain Showers then Cloudy | 10 mph NW | 52% |
| Friday | 49°F | Partly Sunny | 10 to 15 mph NNW | 12% |
| Friday Night | 32°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fox River Grove (42.195, -88.215). Updated through the day.
Growing snapshot for Fox River Grove
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
More local growing data for Fox River Grove: nearby ZIP 60021 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Barrington 3Sw, Il (6.1 mi from Fox River Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.