Mount Vernon District Park Weather Forecast

    • 28
    • 58

    Breezy

    • 26
    • 37

    Increasing Clouds

    • 27
    • 42

    Mostly Cloudy

    • 22
    • 35

    Partly Sunny

    • 29
    • 42

    Mostly Cloudy

    • 26
    • 43

    Slight Chance Rain

    • 28
    • 42

    Partly Sunny

Today 29 Dec Fairfax

Mostly cloudy late this Morning, then clearing. Numerous Showers late this morning. Windy with Highs in the upper 50s. Temperature falling to around 40 this afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph, increasing to west 25 to 30 Mph with Gusts up to 50 Mph this afternoon. Chance of rain 60 percent.

Tonight 29 Dec Fairfax

Mostly clear and Blustery. Lows in the mid 20s. West Winds 20 to 25 Mph. Gusts up to 50 Mph, decreasing to 40 Mph after midnight.

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Mount Vernon District Park Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    37.2 °F

  • Highest 19 December, 2025

    59 °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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