Freeburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Freeburg, a village in St. Clair County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. Southeast wind around 5 mph.
7-day forecast for Freeburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 mph SE | 0% |
| Tonight | 66°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Wednesday | 90°F | Sunny | 1 to 5 mph S | 5% |
| Wednesday Night | 71°F | Partly Cloudy then Showers And Thunderstorms Likely | 6 mph S | 55% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 5 mph S | 69% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 49% |
| Friday | 87°F | Chance Showers And Thunderstorms | 3 mph SW | 49% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph S | 39% |
| Saturday Night | 71°F | Partly Cloudy | 5 mph S | 9% |
| Sunday | 91°F | Sunny | 7 mph S | 7% |
| Sunday Night | 73°F | Mostly Clear | 8 mph S | 5% |
| Monday | 93°F | Sunny | 5 to 8 mph SW | 5% |
| Monday Night | 74°F | Partly Cloudy | 8 mph SW | 12% |
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
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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 Aug 4, 2026.