Newington Weather Forecast

    • 64
    • 84

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

    • 70
    • 87

    Partly Sunny

    • 69
    • 86

    Chance Thunderstorms

    • 70
    • 87

    Chance Rain Showers

Today 23 Aug Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the mid 80s. West Winds 5 to 10 Mph.

Tonight 23 Aug Arlington/Falls Church/Alexandria

Mostly clear. Lows in the mid 60s. West Winds 5 to 10 Mph.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 19 August, 2026

    64.9 °F

  • Average August

    79.5 °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

    68.4 °F
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