Newington Weather Forecast

    • 74
    • 93

    Severe Tstms

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 73
    • 90

    Chance Rain Showers

    • 68
    • 87

    Chance Thunderstorms

    • 69
    • 85

    Slight Chance Thunderstorms

Today 10 Aug Arlington/Falls Church/Alexandria

Showers and Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 10 Aug Arlington/Falls Church/Alexandria

Mostly cloudy. Showers and Thunderstorms likely in the evening. Some Thunderstorms may be severe with damaging Winds. Lows in the mid 70s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 August, 2026

    65.5 °F

  • Average August

    80.1 °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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