St Marys River State Park Weather Forecast

    • 41
    • 53

    Increasing Clouds

    • 45
    • 53

    Mostly Cloudy

    • 58
    • 67

    Chance Rain Showers

    • 47
    • 72

    Rain Showers

    • 39
    • 58

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

Today 13 Mar St. Marys

Partly sunny. Highs in the lower 50s. Northeast Winds 5 to 10 Mph.

Tonight 13 Mar St. Marys

Mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.

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St Marys River State Park Temperature Statistics

March Temperature

St Marys County Airport (3.1 miles)

  • Lowest 3 March, 2025

    21.2 °F

  • Average March

    44.2 °F

  • Highest 1 March, 2025

    68 °F

Climate (2020–Present)

St Marys County Airport (3.1 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    66.5 °F
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