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.
This Afternoon
97°F
Partly Sunny
Partly sunny, with a high near 97. Heat index values as high as 101. Southwest wind around 6 mph.
7-day forecast for Scott AFB
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Partly Sunny | 6 mph SW | 1% |
| Tonight | 73°F | Partly Cloudy | 2 to 6 mph S | 2% |
| Sunday | 93°F | Mostly Sunny | 3 to 7 mph W | 10% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph N | 66% |
| Monday | 82°F | Showers And Thunderstorms Likely | 6 to 10 mph NE | 66% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 45% |
| Tuesday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 13 mph N | 20% |
| Tuesday Night | 55°F | Mostly Cloudy | 6 to 13 mph N | 1% |
| Wednesday | 74°F | Mostly Sunny | 10 mph N | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 10 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 8 mph N | 1% |
| Thursday Night | 58°F | Mostly Cloudy | 0 to 7 mph NE | 7% |
| Friday | 79°F | Slight Chance Rain Showers | 1 to 8 mph NE | 17% |
| Friday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 8 mph NE | 17% |
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
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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 Sep 20, 2026.