Harman US

Armington, IL Weather & Growing Conditions

Tonight
53°F
Rain
Rain before 2am, then a chance of rain showers. Cloudy. Low around 53, with temperatures rising to around 58 overnight. South wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 53°F Rain 13 to 17 mph S 95%
Wednesday 60°F Slight Chance Rain Showers then Mostly Cloudy 13 to 16 mph SW 17%
Wednesday Night 44°F Mostly Cloudy 12 mph SW 2%
Thursday 60°F Mostly Sunny 10 to 15 mph WSW 7%
Thursday Night 42°F Mostly Cloudy then Slight Chance Light Rain 5 to 8 mph NW 24%
Friday 55°F Slight Chance Light Rain then Mostly Cloudy 8 to 12 mph NNW 16%
Friday Night 34°F Partly Cloudy 2 to 9 mph N 6%
Saturday 54°F Mostly Sunny 2 to 6 mph WNW 2%
Saturday Night 33°F Partly Cloudy 3 mph WSW 3%
Sunday 60°F Sunny 3 to 9 mph WNW 12%
Sunday Night 34°F Mostly Clear 3 to 7 mph W 6%
Monday 64°F Sunny 3 to 12 mph SW 2%
Monday Night 38°F Mostly Clear 5 to 8 mph WSW 2%
Tuesday 67°F Sunny 7 mph W 1%

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

Growing snapshot for Armington, IL

Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Lincoln, Il (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.