Harman US

North Henderson, IL Weather & Growing Conditions

Overnight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 54 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 51°F Mostly Cloudy 10 to 15 mph SW 10%
Wednesday 55°F Slight Chance Rain Showers 15 mph SW 22%
Wednesday Night 45°F Mostly Cloudy 15 mph SW 9%
Thursday 56°F Chance Rain Showers 10 to 15 mph W 36%
Thursday Night 41°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NW 20%
Friday 51°F Partly Sunny 5 to 10 mph N 5%
Friday Night 31°F Partly Cloudy 0 to 5 mph N 0%
Saturday 52°F Sunny 0 to 5 mph NW 0%
Saturday Night 33°F Mostly Clear 0 to 5 mph W 1%
Sunday 57°F Sunny 5 to 10 mph W 1%
Sunday Night 35°F Clear 0 to 5 mph W 1%
Monday 63°F Sunny 0 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph W 0%
Tuesday 64°F Sunny 5 mph NW 0%

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

Growing snapshot for North Henderson, IL

Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Galesburg, Il (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.