Harman US

Sesser, IL Weather & Growing Conditions

Tonight
72°F
Partly Cloudy
Partly cloudy. Low around 72, with temperatures rising to around 74 overnight. South southeast wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy 2 mph SSE 14%
Saturday 99°F Sunny 2 to 8 mph SW 5%
Saturday Night 73°F Partly Cloudy 5 mph SSW 3%
Sunday 97°F Mostly Sunny 3 to 9 mph W 13%
Sunday Night 69°F Mostly Cloudy then Chance Showers And Thunderstorms 6 mph NNE 30%
Monday 87°F Chance Showers And Thunderstorms 6 to 12 mph N 50%
Monday Night 63°F Chance Showers And Thunderstorms 7 to 13 mph NNE 50%
Tuesday 76°F Slight Chance Showers And Thunderstorms then Partly Sunny 9 to 14 mph NNE 22%
Tuesday Night 58°F Partly Cloudy 6 to 14 mph NNE 6%
Wednesday 76°F Mostly Sunny 7 to 10 mph N 3%
Wednesday Night 57°F Partly Cloudy 3 to 9 mph NNE 2%
Thursday 77°F Mostly Sunny 3 to 10 mph NNE 2%
Thursday Night 59°F Partly Cloudy 3 to 8 mph NNE 2%
Friday 77°F Mostly Sunny 5 to 10 mph NNE 3%

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

Growing snapshot for Sesser, IL

Last spring frost
Apr 4
First fall frost
Oct 27
Growing season
204 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Rend Lake Dam, Il (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.