Scott Air Force Base/Midamerica Airport Weather Forecast

    • 57
    • 82

    Rain Showers

    • 32
    • 67

    Rain Showers

    • 44
    • 57

    Partly Sunny

    • 38
    • 65

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 26
    • 63

    Rain Likely

Today 10 Mar St. Clair

Sunny. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 10 Mar St. Clair

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then Showers with Thunderstorms likely after midnight. Lows in the lower 50s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

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Scott Air Force Base/Midamerica Airport Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 1 March, 2026

    30 °F

  • Average March

    50.5 °F

  • Highest 6 March, 2026

    81 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    67.8 °F
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