Harold Emmerich Airport Weather Forecast

    • 67
    • 80

    Chance Rain Showers

    • 72
    • 87

    Chance Thunderstorms

    • 75
    • 93

    Mostly Sunny

    • 77
    • 98

    Hot

    • 73
    • 95

    Partly Sunny

    • 71
    • 91

    Slight Chance Thunderstorms

Today 24 Jul St. Clair

Partly sunny this Morning, then mostly cloudy with a chance of Showers this afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 24 Jul St. Clair

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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Harold Emmerich Airport Temperature Statistics

July Temperature

Belleville, Scott AFB/MidAmerica Airport (4.3 miles)

  • Lowest 13 July, 2026

    70 °F

  • Average July

    81 °F

  • Highest 2 July, 2026

    95.5 °F

Climate (2021–2026)

Belleville, Scott AFB/MidAmerica Airport (4.3 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.1 °F
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