Harman US

Milledgeville, IL Weather & Growing Conditions

Tonight
52°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind 10 to 15 mph. Chance of precipitation is 60%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Rain Showers Likely 10 to 15 mph S 60%
Wednesday 58°F Chance Rain Showers 15 mph SW 44%
Wednesday Night 44°F Chance Rain Showers 10 to 15 mph SW 27%
Thursday 55°F Chance Rain Showers 10 to 15 mph W 49%
Thursday Night 38°F Slight Chance Rain Showers then Mostly Cloudy 10 mph N 17%
Friday 50°F Partly Sunny 5 to 10 mph N 4%
Friday Night 30°F Mostly Clear 0 to 5 mph N 0%
Saturday 51°F Sunny 0 to 5 mph NW 0%
Saturday Night 32°F Mostly Clear 0 to 5 mph W 2%
Sunday 56°F Sunny 5 to 10 mph W 3%
Sunday Night 33°F Mostly Clear 0 to 5 mph W 0%
Monday 61°F Sunny 0 to 10 mph SW 0%
Monday Night 38°F Mostly Clear 0 to 5 mph W 0%
Tuesday 62°F Sunny 0 to 5 mph NW 0%

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

Growing snapshot for Milledgeville, IL

Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Polo 5Nw, Il (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.