Scott Air Force Base/Midamerica Airport Weather Forecast

    • 56
    • 81

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 62
    • 81

    Rain Showers

    • 54
    • 77

    Rain Showers Likely

    • 52
    • 76

    Slight Chance Thunderstorms

    • 58
    • 76

    Rain Showers Likely

    • 53
    • 78

    Rain Showers Likely

Today 21 Apr St. Clair

Sunny. Not as cool with Highs around 80. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Apr St. Clair

Mostly clear. Lows in the upper 50s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this evening.

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  • Temperature Real-Time

Scott Air Force Base/Midamerica Airport Temperature Statistics

April Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 6 April, 2026

    38.8 °F

  • Average April

    62.8 °F

  • Highest 17 April, 2026

    85.3 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    68 °F
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