Potomac River - Hallowing Point Weather Forecast

    • 28
    • 34

    Snow

    • 29
    • 41

    Partly Sunny

    • 31
    • 41

    Mostly Cloudy

    • 23
    • 35

    Partly Sunny

    • 33
    • 39

    Mostly Cloudy

    • 41
    • 47

    Chance Rain

Today 5 Dec Charles

Cloudy. Snow, mainly in the morning. Total snow accumulation of 1 to 3 Inches. Highs in the mid 30s. Northeast Winds around 5 Mph. Chance of snow 90 percent.

Tonight 5 Dec Charles

Cloudy. A slight chance of freezing drizzle in the evening. Patchy fog. Lows in the mid 20s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Hallowing Point Temperature Statistics

December Temperature

Fort Belvoir (6.2 miles)

  • Lowest 1 December, 2025

    27.1 °F

  • Average December

    37.2 °F

  • Highest 1 December, 2025

    47.1 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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