Newington Weather Forecast

    • 67
    • 85

    Becoming Sunny

    • 72
    • 89

    Slight Chance Thunderstorms

    • 74
    • 92

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 76
    • 95

    Chance Rain Showers

    • 73
    • 93

    Chance Rain Showers

Today 29 Aug Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 29 Aug Arlington/Falls Church/Alexandria

Mostly clear. Lows in the upper 60s. Southeast Winds around 5 Mph.

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Newington Temperature Statistics

August Temperature

Fort Belvoir (1.2 miles)

  • Lowest 24 August, 2026

    58.8 °F

  • Average August

    78 °F

  • Highest 8 August, 2026

    92.8 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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