Potomac River - Sandyland Beach Weather Forecast

    • 43
    • 54

    Rain

    • 29
    • 47

    Partly Sunny

    • 42
    • 43

    Mostly Cloudy

    • 45
    • 58

    Mostly Cloudy

    • 41
    • 50

    Partly Sunny

    • 47
    • 51

    Chance Rain

Today 31 Jan St. Marys

Rain. Highs in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 31 Jan St. Marys

Rain, mainly in the evening. Lows in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Potomac River - Sandyland Beach Temperature Statistics

January Temperature

St Marys County Airport (8.1 miles)

  • Lowest 23 January, 2025

    10.4 °F

  • Average January

    30.5 °F

  • Highest 1 January, 2025

    50 °F

Climate (2020–Present)

St Marys County Airport (8.1 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    66.6 °F
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