Harman US

Hardin, IL Weather & Growing Conditions

Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy 5 mph SE 13%
Saturday 95°F Partly Sunny 7 mph SW 7%
Saturday Night 71°F Partly Cloudy then Slight Chance Rain Showers 3 mph SW 13%
Sunday 88°F Chance Rain Showers then Chance Showers And Thunderstorms 6 mph NW 42%
Sunday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 8 mph NE 69%
Monday 74°F Showers And Thunderstorms Likely 6 to 9 mph NE 69%
Monday Night 58°F Chance Showers And Thunderstorms 7 to 10 mph N 54%
Tuesday 68°F Slight Chance Rain Showers then Mostly Cloudy 9 mph N 22%
Tuesday Night 53°F Mostly Cloudy 3 to 8 mph N 5%
Wednesday 72°F Mostly Sunny 7 mph N 0%
Wednesday Night 54°F Partly Cloudy 2 to 6 mph N 1%
Thursday 74°F Mostly Sunny 2 to 6 mph N 4%
Thursday Night 57°F Partly Cloudy 5 mph NE 4%
Friday 74°F Mostly Sunny 2 to 6 mph NE 7%

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

Growing snapshot for Hardin, IL

Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Elsberry 1 S, Mo (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.