Sandy Run Regional Park Weather Forecast

    • 61
    • 84

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 68
    • 86

    Chance Thunderstorms

    • 68
    • 87

    Chance Rain Showers

Today 23 Aug Fairfax

Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 23 Aug Fairfax

Mostly clear. Lows in the lower 60s. West Winds 5 to 10 Mph.

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Sandy Run Regional Park Temperature Statistics

August Temperature

Fort Belvoir (6.2 miles)

  • Lowest 19 August, 2026

    64.9 °F

  • Average August

    79.5 °F

  • Highest 8 August, 2026

    92.8 °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

    68.4 °F
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