Newington Weather Forecast

    • 66
    • 85

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Rain Showers

    • 67
    • 85

    Chance Rain Showers

    • 67
    • 84

    Mostly Sunny

    • 69
    • 86

    Partly Sunny

Today 26 Jul Arlington/Falls Church/Alexandria

Mostly sunny. Patchy fog in the morning. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. Light and variable Winds, becoming southeast around 5 Mph in the afternoon. Chance of rain 30 percent.

Tonight 26 Jul Arlington/Falls Church/Alexandria

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph, becoming south around 5 Mph after midnight. Chance of rain 40 percent.

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Newington Temperature Statistics

July Temperature

Fort Belvoir (1.2 miles)

  • Lowest 13 July, 2026

    62.4 °F

  • Average July

    80.9 °F

  • Highest 4 July, 2026

    101.3 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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