Harman US

Hardin, IL Weather & Growing Conditions

This Afternoon
72°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 72°F Light Rain 17 mph S 96%
Tonight 53°F Light Rain Likely 10 to 16 mph SW 74%
Wednesday 60°F Chance Rain Showers then Mostly Cloudy 9 to 14 mph W 12%
Wednesday Night 44°F Partly Cloudy 8 mph SW 0%
Thursday 63°F Sunny 7 to 12 mph W 5%
Thursday Night 44°F Mostly Cloudy then Slight Chance T-storms 7 mph NW 19%
Friday 56°F Mostly Cloudy 9 mph NW 6%
Friday Night 39°F Mostly Cloudy 1 to 6 mph N 1%
Saturday 55°F Mostly Sunny 3 mph NW 0%
Saturday Night 37°F Partly Cloudy 2 mph NW 2%
Sunday 61°F Sunny 2 to 7 mph W 8%
Sunday Night 38°F Mostly Clear 5 mph W 3%
Monday 65°F Sunny 2 to 8 mph SW 2%
Monday Night 42°F Mostly Clear 3 mph SW 1%

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 Nov 3, 2026.