Harman US

Capron, IL Weather & Growing Conditions

Overnight
62°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 62, with temperatures rising to around 64 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Showers And Thunderstorms 10 mph ESE 100%
Saturday 75°F Showers And Thunderstorms then Showers And Thunderstorms Likely 5 to 10 mph SSE 100%
Saturday Night 60°F Showers And Thunderstorms 5 to 10 mph ENE 93%
Sunday 67°F Chance Showers And Thunderstorms 10 to 15 mph NE 50%
Sunday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 15%
Monday 62°F Chance Rain Showers 10 to 15 mph ENE 28%
Monday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 16%
Tuesday 61°F Mostly Cloudy 10 to 15 mph NE 14%
Tuesday Night 48°F Mostly Cloudy 5 to 10 mph NE 8%
Wednesday 64°F Mostly Sunny 5 to 15 mph NE 4%
Wednesday Night 50°F Partly Cloudy 0 to 10 mph NE 1%
Thursday 66°F Mostly Sunny 5 to 10 mph NE 4%
Thursday Night 50°F Mostly Cloudy 0 to 5 mph NE 4%
Friday 69°F Partly Sunny 0 to 10 mph NE 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Capron, IL

Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
161 days
Hardiness zone
5b

Explore more for Capron, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Clinton Wwtp, Wi (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.