Fountainhead Regional Park Weather Forecast

    • 34
    • 40

    Decreasing Clouds

    • 28
    • 51

    Partly Sunny

    • 11
    • 43

    Mostly Cloudy

    • 13
    • 19

    Snow

    • 14
    • 20

    Snow Likely

    • 5
    • 26

    Mostly Sunny

Today 21 Jan Fairfax

Mostly sunny. Highs around 40. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jan Fairfax

Mostly cloudy in the Evening, then clearing. Not as cool with Lows in the mid 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountainhead Regional Park Temperature Statistics

January Temperature

Fort Belvoir (7.5 miles)

  • Lowest 19 January, 2026

    18.1 °F

  • Average January

    38.2 °F

  • Highest 7 January, 2026

    64 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.2 °F
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