Newington Weather Forecast

    • 70
    • 89

    Severe Tstms

    • 69
    • 87

    Slight Chance Thunderstorms

    • 68
    • 87

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 73
    • 94

    Partly Sunny

    • 75
    • 95

    Partly Sunny

Today 27 Aug Arlington/Falls Church/Alexandria

Mostly sunny. Scattered Showers and Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 27 Aug Arlington/Falls Church/Alexandria

Scattered Thunderstorms in the evening. Mostly cloudy with scattered Showers. Patchy fog after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall. Lows around 70. South Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    78.4 °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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