Agnewville Weather Forecast

    • 17
    • 31

    Chance Snow

    • 20
    • 33

    Partly Sunny

    • 28
    • 39

    Partly Sunny

    • 31
    • 52

    Mostly Cloudy

    • 39
    • 56

    Mostly Cloudy

    • 29
    • 50

    Slight Chance Rain Showers

Today 14 Dec Central and Southeast Prince William/Manassas/Manassas Park

Mostly sunny. A chance of snow in the morning. Little or no additional snow accumulation. Highs around 30. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 50 percent.

Tonight 14 Dec Central and Southeast Prince William/Manassas/Manassas Park

Snow with a chance of rain. Snow accumulation around an inch. Lows in the mid 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 percent.

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Agnewville Temperature Statistics

December Temperature

Fort Belvoir (6.2 miles)

  • Lowest 9 December, 2025

    17.4 °F

  • Average December

    34.9 °F

  • Highest 4 December, 2025

    47.5 °F

Climate (2020–Present)

Fort Belvoir (6.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.2 °F
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