Newington Weather Forecast

    • 71
    • 86

    Increasing Clouds

    • 73
    • 86

    Rain Showers Likely

    • 74
    • 91

    Partly Sunny

    • 73
    • 91

    Chance Thunderstorms

    • 72
    • 90

    Rain Showers Likely

    • 73
    • 90

    Chance Thunderstorms

Today 4 Aug Arlington/Falls Church/Alexandria

Partly sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.

Tonight 4 Aug Arlington/Falls Church/Alexandria

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 70 percent.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    78.3 °F

  • Highest 1 August, 2026

    90.7 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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