Harman US

Pesotum, IL Weather & Growing Conditions

Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 56. South wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Showers And Thunderstorms 15 to 18 mph S 91%
Wednesday 63°F Chance Light Rain then Mostly Cloudy 12 to 15 mph SSW 25%
Wednesday Night 44°F Mostly Cloudy 9 mph WSW 1%
Thursday 62°F Mostly Sunny 9 to 14 mph WSW 3%
Thursday Night 42°F Mostly Cloudy 7 mph WNW 10%
Friday 56°F Slight Chance Light Rain then Partly Sunny 6 to 10 mph NNW 16%
Friday Night 36°F Partly Cloudy 5 to 9 mph NNW 6%
Saturday 55°F Partly Sunny 5 mph NW 1%
Saturday Night 33°F Partly Cloudy 3 mph W 2%
Sunday 60°F Sunny 3 to 9 mph W 10%
Sunday Night 33°F Mostly Clear 6 mph WNW 7%
Monday 64°F Sunny 5 to 10 mph WSW 3%
Monday Night 38°F Mostly Clear 7 mph WSW 1%
Tuesday 67°F Sunny 7 mph WNW 1%

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

Growing snapshot for Pesotum, IL

Last spring frost
Apr 15
First fall frost
Oct 20
Growing season
188 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Tuscola, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.