Fountainhead Regional Park Weather Forecast

    • 40
    • 55

    Decreasing Clouds

    • 41
    • 58

    Mostly Cloudy

    • 52
    • 62

    Rain Showers

    • 32
    • 71

    Rain Showers

    • 26
    • 43

    Partly Sunny

    • 31
    • 45

    Partly Sunny

Today 13 Mar Fairfax

Mostly sunny and breezy. Highs in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to 15 to 25 Mph with Gusts up to 45 Mph this afternoon.

Tonight 13 Mar Fairfax

Mostly clear. Lows around 40. Southwest Winds 15 to 20 Mph. Gusts up to 35 Mph in the evening.

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Fountainhead Regional Park Temperature Statistics

March Temperature

Fort Belvoir (7.5 miles)

  • Lowest 2 March, 2026

    31.1 °F

  • Average March

    50.8 °F

  • Highest 10 March, 2026

    85.3 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.2 °F
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