Fox River Grove, IL Weather & Growing Conditions
Tonight
61°F
Slight Chance Rain Showers then Showers And Thunderstorms Likely
A slight chance of rain showers before midnight, then showers and thunderstorms likely. Cloudy, with a low around 61. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 mph ESE | 64% |
| Saturday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 15 mph SE | 94% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 80% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 74% |
| Sunday Night | 54°F | Chance Rain Showers | 15 mph ENE | 48% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 41% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 15 mph ENE | 39% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 15% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NNE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fox River Grove, IL
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
Explore more for Fox River Grove, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Barrington 3Sw, Il (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.