Potomac River - High Point Weather Forecast

    • 37
    • 46

    Becoming Sunny

    • 26
    • 51

    Becoming Sunny

    • 34
    • 42

    Chance Rain

    • 40
    • 54

    Mostly Cloudy

    • 37
    • 49

    Chance Rain

    • 47
    • 54

    Slight Chance Rain

    • 43
    • 62

    Mostly Cloudy

Today 20 Dec Charles

Sunny. Highs in the mid 40s. South Winds 5 to 10 Mph.

Tonight 20 Dec Charles

Mostly clear. Lows in the mid 30s. South Winds 5 to 10 Mph.

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Potomac River - High Point Temperature Statistics

December Temperature

Fort Belvoir (6.8 miles)

  • Lowest 16 December, 2025

    17.1 °F

  • Average December

    34.1 °F

  • Highest 18 December, 2025

    55.8 °F

Climate (2020–Present)

Fort Belvoir (6.8 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.2 °F
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