Newington Weather Forecast

    • 72
    • 81

    Rain Showers

    • 71
    • 90

    Chance Thunderstorms

    • 68
    • 87

    Mostly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

    • 68
    • 87

    Chance Thunderstorms

    • 66
    • 81

    Chance Thunderstorms

    • 67
    • 83

    Chance Rain Showers

Today 16 Aug Arlington/Falls Church/Alexandria

Numerous Showers with a chance of Thunderstorms. Highs around 80. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 16 Aug Arlington/Falls Church/Alexandria

Widespread Showers and scattered Thunderstorms. Some Thunderstorms may be severe with damaging Winds, small Hail, heavy Rainfall, and Tornadoes. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 90 percent.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    79.8 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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