Newington Weather Forecast

    • 57
    • 77

    Increasing Clouds

    • 56
    • 79

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 68
    • 89

    Partly Sunny

Today 31 May Arlington/Falls Church/Alexandria

Sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 31 May Arlington/Falls Church/Alexandria

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds around 5 Mph.

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Newington Temperature Statistics

May Temperature

Fort Belvoir (1.2 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    64.5 °F

  • Highest 19 May, 2026

    96.6 °F

Climate (2021–Present)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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