Newington Weather Forecast

    • 69
    • 82

    Rain Showers Likely

    • 68
    • 83

    Rain Showers Likely

    • 65
    • 84

    Slight Chance Thunderstorms

    • 64
    • 83

    Mostly Sunny

    • 66
    • 83

    Partly Sunny

    • 70
    • 86

    Chance Thunderstorms

Today 21 Aug Arlington/Falls Church/Alexandria

Partly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 21 Aug Arlington/Falls Church/Alexandria

Mostly cloudy. Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 70 percent.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    79.8 °F

  • Highest 8 August, 2026

    92.8 °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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