Lake Accotink Park Weather Forecast

    • 35
    • 35

    Rain Likely

    • 33
    • 44

    Mostly Cloudy

    • 43
    • 48

    Rain Likely

    • 28
    • 63

    Chance Rain

    • 26
    • 37

    Partly Sunny

    • 26
    • 43

    Mostly Cloudy

Today 26 Dec Arlington/Falls Church/Alexandria

Mostly cloudy. A chance of rain with a slight chance of sleet this afternoon. Cooler with Highs in the mid 30s. East Winds around 5 Mph, becoming southeast this afternoon. Chance of precipitation 40 percent.

Tonight 26 Dec Arlington/Falls Church/Alexandria

Mostly cloudy. Rain likely in the evening. Lows in the mid 30s. South Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 70 percent.

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Lake Accotink Park Temperature Statistics

December Temperature

Fort Belvoir (5.6 miles)

  • Lowest 16 December, 2025

    17.1 °F

  • Average December

    35.6 °F

  • Highest 19 December, 2025

    60.3 °F

Climate (2020–Present)

Fort Belvoir (5.6 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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