Belmont Bay Weather Forecast

    • 35
    • 50

    Increasing Clouds

    • 32
    • 37

    Rain/Snow

    • 27
    • 38

    Chance Rain/Snow

    • 29
    • 37

    Mostly Cloudy

    • 43
    • 48

    Mostly Cloudy

    • 36
    • 53

    Chance Rain

Today 21 Feb Fairfax

Mostly cloudy in the Morning, then becoming mostly sunny. Highs in the lower 50s. Northwest Winds around 5 Mph.

Tonight 21 Feb Fairfax

Partly cloudy in the Evening, then mostly cloudy with rain and snow likely after midnight. Lows in the mid 30s. Light and variable Winds, becoming northeast around 5 Mph after midnight. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belmont Bay Temperature Statistics

February Temperature

Fort Belvoir (5 miles)

  • Lowest 9 February, 2026

    9.9 °F

  • Average February

    32 °F

  • Highest 18 February, 2026

    57.4 °F

Climate (2021–Present)

Fort Belvoir (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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