Harman US

Harvel, IL Weather & Growing Conditions

Overnight
54°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 54. South wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 54°F Chance Light Rain 13 mph S 48%
Wednesday 60°F Slight Chance Drizzle 10 to 15 mph SW 20%
Wednesday Night 45°F Slight Chance Drizzle then Partly Cloudy 9 mph SW 20%
Thursday 62°F Partly Sunny 9 to 14 mph W 1%
Thursday Night 42°F Mostly Cloudy 5 mph NW 1%
Friday 55°F Partly Sunny 6 to 10 mph N 3%
Friday Night 32°F Partly Cloudy 1 to 7 mph N 0%
Saturday 54°F Mostly Sunny 1 to 5 mph NW 0%
Saturday Night 31°F Partly Cloudy 2 mph NW 0%
Sunday 58°F Sunny 1 to 7 mph W 1%
Sunday Night 33°F Clear 2 mph W 1%
Monday 64°F Sunny 1 to 6 mph SW 0%
Monday Night 38°F Clear 3 mph SW 0%
Tuesday 67°F Sunny 5 mph W 1%

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

Growing snapshot for Harvel, IL

Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Morrisonville, Il (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.