Newington Weather Forecast

    • 69
    • 93

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

    • 64
    • 86

    Mostly Sunny

    • 71
    • 88

    Rain Showers Likely

    • 65
    • 87

    Rain Showers

    • 64
    • 84

    Mostly Sunny

Today 18 Jun Arlington/Falls Church/Alexandria

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 18 Jun Arlington/Falls Church/Alexandria

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 50 percent.

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Newington Temperature Statistics

June Temperature

Fort Belvoir (1.2 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    75.2 °F

  • Highest 12 June, 2026

    98.2 °F

Climate (2021–2026)

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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