Scott Air Force Base Weather Forecast

    • 58
    • 73

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 56
    • 79

    Mostly Sunny

    • 64
    • 81

    Chance Rain Showers

    • 66
    • 80

    Chance Rain Showers

    • 63
    • 78

    Chance Rain Showers

Today 26 Sep St. Clair

Mostly cloudy. A chance of Sprinkles in the morning. Highs in the lower 70s. East Winds around 5 Mph.

Tonight 26 Sep St. Clair

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scott Air Force Base Temperature Statistics

September Temperature

Belleville, Scott AFB/MidAmerica Airport (0 miles)

  • Lowest 23 September, 2026

    58.1 °F

  • Average September

    79.4 °F

  • Highest 5 September, 2026

    101.8 °F

Climate (2021–2026)

Belleville, Scott AFB/MidAmerica Airport (0 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.2 °F
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