Marysville Weather Forecast

    • 30
    • 36

    Chance Rain

    • 24
    • 39

    Mostly Cloudy

    • 28
    • 33

    Wintry Mix

    • 30
    • 37

    Chance Rain

    • 17
    • 40

    Chance Rain/Snow

    • 15
    • 24

    Slight Chance Snow

Today 24 Dec St. Clair

Mostly cloudy. Highs in the mid 30s. North Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 24 Dec St. Clair

Mostly cloudy with a slight chance of light freezing drizzle. Ice accumulation around a trace. Near steady temperature in the lower 30s. South Winds 5 to 10 Mph, becoming west after midnight.

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Marysville Temperature Statistics

December Temperature

St Clair County International Airport (1.9 miles)

  • Lowest 14 December, 2025

    -0.4 °F

  • Average December

    25 °F

  • Highest 18 December, 2025

    48.2 °F

Climate (2020–Present)

St Clair County International Airport (1.9 miles)

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  • Average Low 2020–2025

    39.8 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.7 °F
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