Smithton Weather Forecast

    • 56
    • 78

    Slight Chance Thunderstorms

    • 56
    • 81

    Thunderstorms

    • 38
    • 69

    Slight Chance Rain Showers

    • 34
    • 52

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 55
    • 74

    Mostly Cloudy

Today 13 Mar St. Clair

Mostly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 13 Mar St. Clair

Mostly clear. Not as cool with Lows around 50. East Winds around 5 Mph.

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Smithton Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (12.4 miles)

  • Lowest 2 March, 2025

    22.5 °F

  • Average March

    44.4 °F

  • Highest 10 March, 2025

    74.5 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (12.4 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    67.1 °F
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