Sandy Run Regional Park Weather Forecast

    • 63
    • 84

    Decreasing Clouds

    • 60
    • 83

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 72
    • 88

    Mostly Sunny

    • 65
    • 89

    Chance Rain Showers

    • 62
    • 82

    Mostly Sunny

Today 6 Sep Fairfax

Sunny. Highs in the mid 80s. North Winds 5 to 10 Mph.

Tonight 6 Sep Fairfax

Partly cloudy in the Evening, then clearing. Patchy fog after midnight. Lows in the lower 60s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Sandy Run Regional Park Temperature Statistics

September Temperature

Fort Belvoir (6.2 miles)

  • Lowest 3 September, 2026

    71.2 °F

  • Average September

    80.7 °F

  • Highest 1 September, 2026

    96.4 °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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