Scott AFB, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Scott AFB, a community in St. Clair County, Illinois.
Overnight
55°F
Slight Chance Light Rain
A slight chance of rain before 3am, then a slight chance of drizzle between 3am and 5am, then a slight chance of rain. Mostly cloudy, with a low around 55. Southwest wind around 8 mph. Chance of precipitation is 20%.
7-day forecast for Scott AFB
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Slight Chance Light Rain | 8 mph SW | 17% |
| Wednesday | 64°F | Slight Chance Drizzle then Mostly Cloudy | 7 to 13 mph W | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 6 mph W | 0% |
| Thursday | 66°F | Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 45°F | Mostly Cloudy | 2 to 6 mph NW | 2% |
| Friday | 58°F | Partly Sunny | 7 to 12 mph N | 1% |
| Friday Night | 36°F | Partly Cloudy | 0 to 8 mph N | 0% |
| Saturday | 56°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 60°F | Sunny | 0 to 8 mph NW | 1% |
| Sunday Night | 36°F | Clear | 0 mph | 0% |
| Monday | 66°F | Sunny | 0 to 7 mph SW | 0% |
| Monday Night | 40°F | Clear | 1 mph SW | 0% |
| Tuesday | 68°F | Sunny | 0 to 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Scott AFB (38.543, -89.852). Updated through the day.
Growing snapshot for Scott AFB
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
6b
More local growing data for Scott AFB: nearby ZIP 62225 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Belleville
Brooklyn
Cahokia Heights
Caseyville
Darmstadt
Dupo
East St. Louis
Fairmont City
Fairview Heights
Fayetteville
Floraville
Freeburg
Lebanon
Lenzburg
Marissa
Mascoutah
Millstadt
New Athens
O'Fallon
Paderborn
Rentchler
Sauget
Shiloh
Smithton
St. Libory
Summerfield
Swansea
Washington Park
Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (1.6 mi from Scott AFB). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.