Potomac River - Belle Haven Marina Weather Forecast

    • 19
    • 33

    Increasing Clouds

    • 17
    • 36

    Chance Snow Showers

    • 10
    • 24

    Windy

    • 15
    • 25

    Mostly Cloudy

    • 23
    • 36

    Mostly Cloudy

    • 30
    • 45

    Mostly Cloudy

Today 5 Feb Arlington/Falls Church/Alexandria

Sunny. Highs in the lower 30s. North Winds around 5 Mph.

Tonight 5 Feb Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 19. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Belle Haven Marina Temperature Statistics

February Temperature

Washington/Reagan National Airport, DC (5 miles)

  • Lowest 1 February, 2026

    14 °F

  • Average February

    23.1 °F

  • Highest 2 February, 2026

    35.1 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    69.1 °F
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