Newington Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 71
    • 89

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 65
    • 81

    Mostly Cloudy

    • 67
    • 84

    Chance Rain Showers

    • 66
    • 81

    Chance Rain Showers

Today 16 Sep Arlington/Falls Church/Alexandria

Sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 16 Sep Arlington/Falls Church/Alexandria

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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Newington Temperature Statistics

September Temperature

Fort Belvoir (1.2 miles)

  • Lowest 8 September, 2026

    58.8 °F

  • Average September

    76.5 °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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