Potomac River - Saint Clements Island Weather Forecast

    • 47
    • 53

    Becoming Sunny

    • 46
    • 54

    Mostly Sunny

    • 43
    • 54

    Mostly Sunny

    • 43
    • 58

    Sunny

    • 44
    • 61

    Sunny

    • 46
    • 63

    Mostly Sunny

Today 14 Nov St. Marys

Sunny in the Morning, then becoming partly sunny. Highs in the lower 50s. Northwest Winds 15 to 20 Mph.

Tonight 14 Nov St. Marys

Partly cloudy in the Evening, then becoming clear. Lows in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Potomac River - Saint Clements Island Temperature Statistics

November Temperature

St Marys County Airport (12.4 miles)

  • Lowest 10 November, 2026

    36.9 °F

  • Average November

    56.2 °F

  • Highest 4 November, 2026

    75.4 °F

Climate (2021–2026)

St Marys County Airport (12.4 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    67 °F
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