Potomac River - Saint Margaret Island Weather Forecast

    • 36
    • 47

    Decreasing Clouds

    • 32
    • 56

    Mostly Sunny

    • 37
    • 45

    Rain Likely

    • 39
    • 56

    Rain

    • 31
    • 42

    Slight Chance Rain/Snow

    • 40
    • 43

    Mostly Cloudy

    • 34
    • 56

    Partly Sunny

Today 28 Jan St. Marys

Partly sunny. Highs in the lower 50s. West Winds around 5 Mph.

Tonight 28 Jan St. Marys

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 30s. Southwest Winds 15 to 20 Mph.

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  • Temperature Real-Time

Potomac River - Saint Margaret Island Temperature Statistics

January Temperature

St Marys County Airport (14.3 miles)

  • Lowest 23 January, 2025

    10.4 °F

  • Average January

    29.8 °F

  • Highest 1 January, 2025

    50 °F

Climate (2020–Present)

St Marys County Airport (14.3 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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