Sandy Run Stream Valley Park Weather Forecast

    • 38
    • 64

    Mostly Sunny

    • 38
    • 63

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 49
    • 65

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

Today 23 Oct Fairfax

Mostly sunny. Highs in the mid 60s. Northeast Winds around 5 Mph.

Tonight 23 Oct Fairfax

Mostly clear. Lows in the upper 30s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Sandy Run Stream Valley Park Temperature Statistics

October Temperature

Fort Belvoir (8.1 miles)

  • Lowest 18 October, 2026

    36.7 °F

  • Average October

    62.1 °F

  • Highest 14 October, 2026

    89.8 °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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