Newington Weather Forecast

    • 19
    • 33

    Slight Chance Snow

    • 30
    • 37

    Mostly Cloudy

    • 34
    • 48

    Mostly Cloudy

    • 28
    • 43

    Chance Rain/Snow

    • 24
    • 42

    Chance Snow

    • 20
    • 35

    Partly Sunny

Today 8 Dec Arlington/Falls Church/Alexandria

Cloudy with a 40 percent chance of snow. Highs in the lower 30s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 8 Dec Arlington/Falls Church/Alexandria

Cloudy. Lows around 30. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Newington Temperature Statistics

December Temperature

Fort Belvoir (1.2 miles)

  • Lowest 4 December, 2025

    25.2 °F

  • Average December

    35.4 °F

  • Highest 4 December, 2025

    47.5 °F

Climate (2020–Present)

Fort Belvoir (1.2 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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