Newington Weather Forecast

    • 60
    • 88

    Slight Chance Thunderstorms

    • 58
    • 66

    Rain Showers Likely

    • 47
    • 82

    Rain Showers Likely

    • 38
    • 55

    Mostly Sunny

    • 43
    • 60

    Mostly Sunny

    • 48
    • 65

    Partly Sunny

Today 14 Oct Arlington/Falls Church/Alexandria

Sunny, hot with Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 14 Oct Arlington/Falls Church/Alexandria

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows around 60. Northwest Winds around 5 Mph, becoming north after midnight. Chance of rain 30 percent.

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Newington Temperature Statistics

October Temperature

Fort Belvoir (1.2 miles)

  • Lowest 7 October, 2026

    43 °F

  • Average October

    63 °F

  • Highest 2 October, 2026

    87.4 °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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