Newington Weather Forecast

    • 71
    • 87

    Rain Showers

    • 70
    • 90

    Rain Showers

    • 67
    • 84

    Rain Showers Likely

    • 65
    • 84

    Partly Sunny

    • 65
    • 84

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

Today 9 Jul Arlington/Falls Church/Alexandria

Partly sunny with scattered Showers with isolated Thunderstorms late this Morning, then mostly cloudy with widespread Showers and scattered Thunderstorms this afternoon. Some Thunderstorms may produce damaging Winds, frequent Lightning, and heavy rainfall this afternoon. Locally heavy rainfall possible this afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 90 percent.

Tonight 9 Jul Arlington/Falls Church/Alexandria

Partly cloudy with widespread Showers and scattered Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce damaging Winds, frequent Lightning, and heavy rainfall in the evening. Locally heavy rainfall possible in the evening. Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 90 percent.

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Newington Temperature Statistics

July Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 July, 2026

    72.3 °F

  • Average July

    84.3 °F

  • Highest 4 July, 2026

    101.3 °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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