Newington Weather Forecast

    • 56
    • 72

    Partly Sunny

    • 58
    • 70

    Chance Rain

    • 60
    • 68

    Chance Rain

    • 60
    • 71

    Mostly Cloudy

    • 59
    • 76

    Partly Sunny

    • 62
    • 79

    Partly Sunny

Today 25 Sep Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 70s. North Winds 15 to 20 Mph.

Tonight 25 Sep Arlington/Falls Church/Alexandria

Partly cloudy. Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Newington Temperature Statistics

September Temperature

Fort Belvoir (1.2 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    74.1 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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