Potomac River - Waverly Point Weather Forecast

    • 75
    • 90

    Slight Chance Thunderstorms

    • 72
    • 84

    Chance Rain Showers

    • 70
    • 82

    Partly Sunny

    • 71
    • 83

    Chance Rain Showers

    • 69
    • 79

    Chance Rain Showers

    • 69
    • 79

    Partly Sunny

Today 17 Aug Charles

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 17 Aug Charles

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the lower 70s. South Winds around 5 Mph, becoming west around 5 Mph after midnight. Chance of rain 20 percent.

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Potomac River - Waverly Point Temperature Statistics

August Temperature

St Marys County Airport (21.1 miles)

  • Lowest 4 August, 2025

    55.4 °F

  • Average August

    71.4 °F

  • Highest 14 August, 2025

    87.1 °F

Climate (2020–Present)

St Marys County Airport (21.1 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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