Belleville Weather Forecast

    • 39
    • 63

    Partly Sunny

    • 44
    • 63

    Mostly Sunny

    • 57
    • 69

    Chance Rain

    • 60
    • 77

    Rain Likely

    • 59
    • 74

    Rain Likely

Today 25 Mar St. Clair

Mostly sunny. Highs in the lower 60s. South Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph this afternoon.

Tonight 25 Mar St. Clair

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. Northwest Winds 5 to 10 Mph, becoming west after midnight.

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Belleville Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

  • Lowest 2 March, 2025

    22.5 °F

  • Average March

    50.8 °F

  • Highest 14 March, 2025

    82.2 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    67.2 °F
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