Scott Air Force Base/Midamerica Airport Weather Forecast

    • 77
    • 95

    Increasing Clouds

    • 76
    • 95

    Slight Chance Thunderstorms

    • 77
    • 94

    Slight Chance Thunderstorms

    • 76
    • 94

    Slight Chance Thunderstorms

    • 77
    • 97

    Hot

    • 75
    • 96

    Slight Chance Thunderstorms

Today 24 Jul St. Clair

Sunny, hot with Highs in the mid 90s. Southwest Winds around 5 Mph. Heat index Values up to 106.

Tonight 24 Jul St. Clair

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the upper 70s. South Winds around 5 Mph. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scott Air Force Base/Midamerica Airport Temperature Statistics

July Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 2 July, 2025

    65.8 °F

  • Average July

    80.3 °F

  • Highest 11 July, 2025

    94.6 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    67.3 °F
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