South Run Stream Valley Park Weather Forecast

    • 29
    • 45

    Becoming Sunny

    • 27
    • 42

    Mostly Sunny

    • 29
    • 42

    Partly Sunny

    • 35
    • 45

    Chance Rain

    • 32
    • 45

    Rain/Snow Likely

    • 29
    • 39

    Rain/Snow Likely

Today 27 Nov Fairfax

Partly sunny. Much cooler with Highs in the mid 40s. West Winds around 10 Mph with Gusts up to 30 Mph.

Tonight 27 Nov Fairfax

Partly cloudy. Lows in the mid 30s. West 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 18 November, 2025

    26.2 °F

  • Average November

    49.8 °F

  • Highest 5 November, 2025

    73.6 °F

Climate (2020–Present)

Fort Belvoir (3.1 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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