Harman US

Gardner, IL Weather & Growing Conditions

Tonight
59°F
Rain
Rain. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 59°F Rain 15 mph S 84%
Wednesday 63°F Chance Rain then Mostly Cloudy 15 mph SSW 42%
Wednesday Night 47°F Mostly Cloudy 10 mph SW 7%
Thursday 60°F Mostly Cloudy 10 to 15 mph WSW 11%
Thursday Night 43°F Chance Rain Showers 5 mph WNW 31%
Friday 55°F Slight Chance Rain Showers 5 to 10 mph NNW 21%
Friday Night 35°F Partly Cloudy 0 to 5 mph NNW 5%
Saturday 54°F Mostly Sunny 0 to 5 mph WNW 5%
Saturday Night 33°F Partly Cloudy 0 mph 3%
Sunday 59°F Mostly Sunny 0 to 5 mph W 10%
Sunday Night 34°F Mostly Clear 0 to 5 mph WNW 9%
Monday 64°F Sunny 0 to 10 mph WSW 4%
Monday Night 38°F Mostly Clear 5 mph WSW 2%
Tuesday 65°F Sunny 5 mph WNW 0%

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

Growing snapshot for Gardner, IL

Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Dwight, Il (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.