Potomac River - Breton Beach Weather Forecast

    • 44
    • 64

    Rain Showers

    • 37
    • 52

    Partly Sunny

    • 36
    • 52

    Mostly Sunny

    • 39
    • 53

    Mostly Sunny

    • 37
    • 52

    Partly Sunny

    • 37
    • 53

    Partly Sunny

Today 12 Nov St. Marys

Mostly cloudy this Morning, then becoming partly sunny. Scattered Showers. Highs in the mid 60s. South Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 50 percent.

Tonight 12 Nov St. Marys

Mostly cloudy with a 40 percent chance of Showers. Lows in the lower 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Potomac River - Breton Beach Temperature Statistics

November Temperature

St Marys County Airport (8.7 miles)

  • Lowest 10 November, 2026

    36.9 °F

  • Average November

    56.3 °F

  • Highest 4 November, 2026

    75.4 °F

Climate (2021–2026)

St Marys County Airport (8.7 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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