Potomac River - Kingcopsico Point Weather Forecast

    • 75
    • 89

    Chance Thunderstorms

    • 76
    • 90

    Mostly Sunny

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Mostly Sunny

    • 77
    • 93

    Slight Chance Thunderstorms

Today 5 Aug Westmoreland

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 100.

Tonight 5 Aug Westmoreland

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Potomac River - Kingcopsico Point Temperature Statistics

August Temperature

St Marys County Airport (13 miles)

  • Lowest 1 August, 2026

    69.1 °F

  • Average August

    78.2 °F

  • Highest 1 August, 2026

    89.1 °F

Climate (2021–2026)

St Marys County Airport (13 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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