Belleville Weather Forecast

    • 74
    • 92

    Slight Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 66
    • 83

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

Today 19 Aug St. Clair

Hot and humid. Partly cloudy with scattered Showers and Thunderstorms. High in the lower 90s. Heat index Readings of around 105. Light wind.

Tonight 19 Aug St. Clair

Mostly clear. Isolated Showers and Thunderstorms in the evening. Low in the mid 70s. Light wind.

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Belleville Temperature Statistics

August Temperature

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

  • Lowest 10 August, 2019

    62.8 °F
  • Average August

    77.9 °F
  • Highest 6 August, 2019

    95 °F

Climate (2010–Present)

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

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  • Average Low 2010–Present

    47.6 °F
  • Average 2010–Present

    57.1 °F
  • Average High 2010–Present

    67.3 °F
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