Marysville Weather Forecast

    • 23
    • 30

    Increasing Clouds

    • 33
    • 40

    Partly Sunny

    • 39
    • 53

    Mostly Cloudy

    • 52
    • 56

    Rain Likely

    • 37
    • 69

    Rain Likely

    • 30
    • 43

    Chance Rain

    • 36
    • 42

    Chance Rain

Today 27 Mar St. Clair

Mostly sunny Early, then becoming partly cloudy. Near steady temperature around 30. North Winds 5 to 15 Mph.

Tonight 27 Mar St. Clair

Partly cloudy. A slight chance of snow until early morning. Lows in the lower 20s. Northeast Winds up to 5 Mph, becoming northwest. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marysville Temperature Statistics

March Temperature

St Clair County International Airport (1.9 miles)

  • Lowest 2 March, 2026

    10.4 °F

  • Average March

    37.8 °F

  • Highest 9 March, 2026

    68 °F

Climate (2021–Present)

St Clair County International Airport (1.9 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.7 °F
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