Newington Weather Forecast

    • 65
    • 86

    Chance Thunderstorms

    • 63
    • 81

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 70
    • 86

    Partly Sunny

    • 72
    • 89

    Chance Thunderstorms

Today 22 Jul Arlington/Falls Church/Alexandria

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 Jul Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms in the evening. A slight chance of Showers. Lows in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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Newington Temperature Statistics

July Temperature

Fort Belvoir (1.2 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    81.4 °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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