Scott AFB, IL Weather & Growing Conditions
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
| 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). Updated through the day.
Growing snapshot for Scott AFB, IL
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
6b
Explore more for Scott AFB, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.