Sandy Run Stream Valley Park Weather Forecast

    • 54
    • 74

    Mostly Cloudy

    • 59
    • 71

    Rain

    • 63
    • 68

    Rain Showers

    • 59
    • 73

    Partly Sunny

    • 58
    • 78

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

Today 9 Oct Fairfax

Partly sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 9 Oct Fairfax

Mostly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

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Sandy Run Stream Valley Park Temperature Statistics

October Temperature

Fort Belvoir (8.1 miles)

  • Lowest 7 October, 2026

    43 °F

  • Average October

    63.5 °F

  • Highest 2 October, 2026

    87.4 °F

Climate (2021–2026)

Fort Belvoir (8.1 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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