South Run Stream Valley Park Weather Forecast

    • 43
    • 60

    Mostly Sunny

    • 45
    • 63

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

    • 39
    • 58

    Partly Sunny

Today 7 Nov Fairfax

Sunny. Highs around 60. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 7 Nov Fairfax

Mostly clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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South Run Stream Valley Park Temperature Statistics

November Temperature

Fort Belvoir (3.1 miles)

  • Lowest 2 November, 2026

    40.8 °F

  • Average November

    56.9 °F

  • Highest 4 November, 2026

    76.1 °F

Climate (2021–2026)

Fort Belvoir (3.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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