Newington Weather Forecast

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

    • 74
    • 92

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 6 Aug Arlington/Falls Church/Alexandria

Sunny. Highs in the lower 90s. Southwest Winds around 10 Mph.

Tonight 6 Aug Arlington/Falls Church/Alexandria

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    78.9 °F

  • Highest 1 August, 2026

    90.7 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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