Mount Vernon District Park Weather Forecast

    • 18
    • 31

    Chance Snow

    • 21
    • 31

    Partly Sunny

    • 28
    • 38

    Partly Sunny

    • 32
    • 50

    Mostly Cloudy

    • 40
    • 56

    Mostly Cloudy

    • 30
    • 49

    Slight Chance Rain Showers

Today 14 Dec Fairfax

Mostly sunny. A chance of snow in the morning. Additional snow accumulation up to 1 inch possible. Highs around 30. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 50 percent.

Tonight 14 Dec Fairfax

Mostly clear. Cold with Lows around 16. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Mount Vernon District Park Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 9 December, 2025

    21 °F

  • Average December

    35.5 °F

  • Highest 1 December, 2025

    46 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (5.6 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.1 °F
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