Harman US

Homer, IL Weather & Growing Conditions

Tonight
57°F
Rain
Rain before 2am, then rain showers. Mostly cloudy, with a low around 57. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 57°F Rain 13 to 16 mph S 87%
Wednesday 64°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph SSW 36%
Wednesday Night 45°F Mostly Cloudy 8 mph SW 1%
Thursday 63°F Mostly Sunny 7 to 13 mph WSW 3%
Thursday Night 43°F Mostly Cloudy 5 mph WNW 7%
Friday 57°F Mostly Cloudy 5 to 9 mph NNW 14%
Friday Night 36°F Mostly Cloudy 3 to 7 mph NNW 7%
Saturday 55°F Partly Sunny 5 mph NW 2%
Saturday Night 33°F Partly Cloudy 2 mph W 2%
Sunday 60°F Mostly Sunny 2 to 7 mph W 10%
Sunday Night 33°F Mostly Clear 5 mph WNW 8%
Monday 64°F Sunny 3 to 9 mph WSW 4%
Monday Night 38°F Mostly Clear 5 mph WSW 2%
Tuesday 67°F Sunny 6 mph W 1%

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

Growing snapshot for Homer, IL

Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Ogden, Il (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.