Sandy Run Regional Park Weather Forecast

    • 40
    • 60

    Sunny

    • 46
    • 64

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 48
    • 65

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

Today 18 Oct Fairfax

Sunny. Highs in the upper 50s. North Winds 5 to 10 Mph.

Tonight 18 Oct Fairfax

Clear. Lows around 40. North Winds around 5 Mph.

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Sandy Run Regional Park Temperature Statistics

October Temperature

Fort Belvoir (6.2 miles)

  • Lowest 7 October, 2026

    43 °F

  • Average October

    64.4 °F

  • Highest 14 October, 2026

    89.8 °F

Climate (2021–2026)

Fort Belvoir (6.2 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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