Newington Weather Forecast

    • 71
    • 87

    Increasing Clouds

    • 69
    • 89

    Chance Thunderstorms

    • 68
    • 86

    Chance Rain Showers

    • 69
    • 85

    Chance Rain Showers

    • 71
    • 87

    Mostly Sunny

    • 73
    • 91

    Partly Sunny

Today 26 Aug Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the upper 80s. East Winds around 5 Mph, becoming south in the afternoon.

Tonight 26 Aug Arlington/Falls Church/Alexandria

Partly cloudy. Lows in the upper 60s. Light and variable Winds.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 21 August, 2026

    63.7 °F

  • Average August

    78.7 °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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