Fountainhead Regional Park Weather Forecast

    • 61
    • 70

    Rain Showers

    • 63
    • 70

    Rain Showers

    • 58
    • 72

    Partly Sunny

    • 63
    • 79

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 56
    • 70

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

Today 10 Oct Fairfax

Cloudy. Highs around 70. East Winds 5 to 10 Mph.

Tonight 10 Oct Fairfax

A slight chance of Showers in the Evening, then Showers after midnight. Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountainhead Regional Park Temperature Statistics

October Temperature

Fort Belvoir (7.5 miles)

  • Lowest 7 October, 2026

    43 °F

  • Average October

    63.4 °F

  • Highest 2 October, 2026

    87.4 °F

Climate (2021–2026)

Fort Belvoir (7.5 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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