Scott Air Force Base/Midamerica Airport Weather Forecast

    • 42
    • 62

    Partly Sunny

    • 62
    • 77

    Mostly Sunny

    • 45
    • 90

    Rain Showers Likely

    • 31
    • 54

    Slight Chance Rain

    • 39
    • 59

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 24 Mar St. Clair

Mostly sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 24 Mar St. Clair

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scott Air Force Base/Midamerica Airport Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 16 March, 2026

    23.9 °F

  • Average March

    54 °F

  • Highest 22 March, 2026

    91.8 °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

    67.9 °F
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