Scott Air Force Base/Midamerica Airport Weather Forecast

    • 60
    • 77

    Mostly Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 71
    • 88

    Rain Showers

    • 60
    • 81

    Rain Showers Likely

    • 61
    • 82

    Mostly Sunny

    • 67
    • 86

    Partly Sunny

Today 15 Jun St. Clair

Sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 15 Jun St. Clair

Mostly clear. Lows around 60. Southwest Winds around 5 Mph.

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Scott Air Force Base/Midamerica Airport Temperature Statistics

June Temperature

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

  • Lowest 3 June, 2026

    55.2 °F

  • Average June

    78 °F

  • Highest 9 June, 2026

    92.8 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (0.6 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68.1 °F
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