Potomac River - Cobb Point Weather Forecast

    • 54
    • 65

    Mostly Cloudy

    • 53
    • 68

    Rain Showers

    • 46
    • 65

    Mostly Sunny

    • 48
    • 67

    Chance Rain Showers

    • 44
    • 57

    Chance Rain Showers

    • 47
    • 64

    Mostly Sunny

Today 28 Apr Charles

Mostly cloudy. A chance of Showers late this morning. Highs in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 28 Apr Charles

Partly cloudy. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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Potomac River - Cobb Point Temperature Statistics

April Temperature

St Marys County Airport (16.2 miles)

  • Lowest 9 April, 2026

    31.1 °F

  • Average April

    62.5 °F

  • Highest 16 April, 2026

    90 °F

Climate (2021–Present)

St Marys County Airport (16.2 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.8 °F
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