Scott Air Force Base Weather Forecast

    • 45
    • 70

    Becoming Sunny

    • 49
    • 73

    Sunny

    • 57
    • 80

    Mostly Sunny

    • 49
    • 76

    Sunny

    • 55
    • 75

    Partly Sunny

    • 62
    • 84

    Partly Sunny

Today 10 May St. Clair

Partly sunny. Cooler with Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 10 May St. Clair

Numerous Showers. Lows in the mid 50s. North Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

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Scott Air Force Base Temperature Statistics

May Temperature

Belleville, Scott AFB/MidAmerica Airport (0 miles)

  • Lowest 7 May, 2026

    40.1 °F

  • Average May

    58.2 °F

  • Highest 4 May, 2026

    77.5 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (0 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68 °F
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