Middle Run Stream Valley Park Weather Forecast

    • 49
    • 70

    Sunny

    • 48
    • 70

    Mostly Sunny

    • 49
    • 68

    Mostly Cloudy

    • 50
    • 71

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 53
    • 71

    Mostly Cloudy

Today 26 Oct Fairfax

Sunny. Highs around 70. Northwest Winds around 5 Mph.

Tonight 26 Oct Fairfax

Clear. Lows in the upper 40s. Northwest Winds around 5 Mph.

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Middle Run Stream Valley Park Temperature Statistics

October Temperature

Fort Belvoir (3.7 miles)

  • Lowest 18 October, 2026

    36.7 °F

  • Average October

    60.9 °F

  • Highest 14 October, 2026

    89.8 °F

Climate (2021–2026)

Fort Belvoir (3.7 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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