Potomac River - Waverly Point Weather Forecast

    • 29
    • 41

    Increasing Clouds

    • 24
    • 35

    Partly Sunny

    • 29
    • 43

    Partly Sunny

    • 26
    • 40

    Partly Sunny

    • 27
    • 40

    Mostly Sunny

    • 34
    • 44

    Mostly Cloudy

Today 31 Dec Charles

Mostly sunny. A chance of Flurries in the morning. Highs around 40. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 31 Dec Charles

Partly cloudy in the Evening, then mostly cloudy with a chance of Flurries after midnight. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Potomac River - Waverly Point Temperature Statistics

December Temperature

St Marys County Airport (21.1 miles)

  • Lowest 15 December, 2025

    14.9 °F

  • Average December

    37.2 °F

  • Highest 19 December, 2025

    59.4 °F

Climate (2020–Present)

St Marys County Airport (21.1 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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