Newington Weather Forecast

    • 48
    • 70

    Sunny

    • 45
    • 66

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

    • 41
    • 61

    Sunny

    • 41
    • 60

    Mostly Sunny

    • 44
    • 66

    Mostly Sunny

Today 20 Oct Arlington/Falls Church/Alexandria

Sunny. Highs around 70. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 20 Oct Arlington/Falls Church/Alexandria

Clear. Lows in the upper 40s. North Winds 5 to 10 Mph.

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Newington Temperature Statistics

October Temperature

Fort Belvoir (1.2 miles)

  • Lowest 18 October, 2026

    36.7 °F

  • Average October

    63.3 °F

  • Highest 14 October, 2026

    89.8 °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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