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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.

Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 6 mph.

7-day forecast for Scott AFB

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy 6 mph SE 12%
Saturday 97°F Mostly Sunny 3 to 8 mph SW 6%
Saturday Night 73°F Partly Cloudy 5 mph S 0%
Sunday 94°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 8 mph W 17%
Sunday Night 67°F Slight Chance Showers And Thunderstorms 8 mph N 53%
Monday 82°F Showers And Thunderstorms Likely 7 to 12 mph N 66%
Monday Night 61°F Showers And Thunderstorms Likely 8 to 12 mph N 66%
Tuesday 72°F Chance Rain Showers then Mostly Cloudy 9 to 13 mph N 27%
Tuesday Night 55°F Mostly Cloudy 6 to 13 mph N 6%
Wednesday 74°F Mostly Sunny 7 to 10 mph N 3%
Wednesday Night 55°F Partly Cloudy 3 to 9 mph N 2%
Thursday 76°F Mostly Sunny 3 to 9 mph N 1%
Thursday Night 58°F Partly Cloudy 3 to 9 mph N 2%
Friday 77°F Mostly Sunny 3 to 9 mph N 5%

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 19, 2026.