Potomac River - Cobb Point Weather Forecast

    • 71
    • 86

    Chance Thunderstorms

    • 70
    • 86

    Rain Showers

    • 71
    • 85

    Partly Sunny

    • 71
    • 84

    Partly Sunny

    • 72
    • 82

    Partly Sunny

    • 74
    • 84

    Slight Chance Thunderstorms

    • 74
    • 84

    Chance Thunderstorms

Today 27 Jul Charles

Partly sunny with scattered Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 27 Jul Charles

Partly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Potomac River - Cobb Point Temperature Statistics

July Temperature

St Marys County Airport (16.2 miles)

  • Lowest 25 July, 2026

    59.7 °F

  • Average July

    79.1 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

St Marys County Airport (16.2 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.9 °F
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