Harman US

Freeburg, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Freeburg, a village in St. Clair County, Illinois.

This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

7-day forecast for Freeburg

WhenTempForecastWindPrecip
This Afternoon 73°F Rain 18 mph S 92%
Tonight 54°F Rain 8 to 16 mph S 98%
Wednesday 64°F Mostly Cloudy 6 to 13 mph W 9%
Wednesday Night 44°F Partly Cloudy 5 mph SW 0%
Thursday 67°F Sunny 5 to 10 mph W 1%
Thursday Night 45°F Mostly Cloudy 5 mph NW 7%
Friday 58°F Mostly Cloudy 5 to 10 mph NW 5%
Friday Night 40°F Mostly Cloudy 2 to 6 mph N 1%
Saturday 56°F Partly Sunny 3 mph NW 0%
Saturday Night 37°F Partly Cloudy 1 mph NW 0%
Sunday 62°F Sunny 1 to 6 mph W 7%
Sunday Night 37°F Mostly Clear 3 mph W 5%
Monday 66°F Sunny 2 to 7 mph SW 2%
Monday Night 41°F Mostly Clear 3 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Freeburg (38.439, -89.916). Updated through the day.

Growing snapshot for Freeburg

Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
7a

More local growing data for Freeburg: nearby ZIP 62243 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

All Illinois locations ›

Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (7.3 mi from Freeburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.