Mason Neck State Park Weather Forecast

    • 10
    • 22

    Blustery

    • 12
    • 27

    Mostly Sunny

    • 21
    • 34

    Partly Sunny

    • 33
    • 46

    Mostly Cloudy

    • 31
    • 50

    Chance Rain

    • 28
    • 45

    Chance Rain/Snow

Today 7 Feb Fairfax

Sunny, windy with Highs around 20. Northwest Winds 20 to 30 Mph with Gusts up to 60 Mph. Wind chill Values as low as 9 below.

Tonight 7 Feb Fairfax

Mostly clear and Blustery, cold with Lows around 10 above. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Wind chill Values as low as 8 below.

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Mason Neck State Park Temperature Statistics

February Temperature

Fort Belvoir (4.3 miles)

  • Lowest 1 February, 2026

    14.9 °F

  • Average February

    28.7 °F

  • Highest 4 February, 2026

    41.7 °F

Climate (2021–Present)

Fort Belvoir (4.3 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.1 °F
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