Newington Weather Forecast

    • 74
    • 100

    Thunderstorms

    • 72
    • 94

    Rain Showers Likely

    • 70
    • 87

    Rain Showers

    • 69
    • 85

    Chance Thunderstorms

    • 70
    • 87

    Chance Rain Showers

    • 72
    • 90

    Chance Thunderstorms

Today 4 Jul Arlington/Falls Church/Alexandria

Sunny. Numerous Showers and scattered Thunderstorms in the afternoon. Hot with Highs around 101. West Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 113.

Tonight 4 Jul Arlington/Falls Church/Alexandria

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then partly cloudy with isolated Showers and Thunderstorms after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Newington Temperature Statistics

July Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 July, 2026

    72.3 °F

  • Average July

    84.5 °F

  • Highest 1 July, 2026

    96.8 °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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