Harman US

Hebron, IL Weather & Growing Conditions

Tonight
58°F
Rain
Rain. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Rain 15 mph S 82%
Wednesday 62°F Rain Likely then Chance Rain Showers 15 mph SSW 56%
Wednesday Night 46°F Chance Rain Showers 15 mph SW 29%
Thursday 55°F Rain Showers Likely 10 to 15 mph WSW 56%
Thursday Night 40°F Chance Rain Showers 5 to 10 mph NW 50%
Friday 50°F Slight Chance Rain Showers 10 to 15 mph N 21%
Friday Night 33°F Partly Cloudy 0 to 5 mph NNW 3%
Saturday 52°F Mostly Sunny 0 to 5 mph WNW 4%
Saturday Night 33°F Partly Cloudy 0 to 5 mph WSW 7%
Sunday 57°F Mostly Sunny then Slight Chance Rain 5 to 10 mph W 17%
Sunday Night 35°F Mostly Clear 0 to 5 mph W 8%
Monday 60°F Sunny 5 to 10 mph WSW 2%
Monday Night 39°F Mostly Clear 5 to 10 mph W 2%
Tuesday 60°F Mostly Sunny 5 to 10 mph WNW 1%

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

Growing snapshot for Hebron, IL

Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Pell Lake, Wi (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.