Potomac River - Dangerfield Island Weather Forecast

    • 36
    • 51

    Rain/Snow Likely

    • 31
    • 38

    Snow

    • 25
    • 39

    Chance Rain/Snow

    • 28
    • 37

    Mostly Cloudy

    • 41
    • 48

    Chance Rain

    • 36
    • 53

    Chance Rain

Today 21 Feb Arlington/Falls Church/Alexandria

Partly sunny. Highs around 50. Northwest Winds around 5 Mph.

Tonight 21 Feb Arlington/Falls Church/Alexandria

Mostly cloudy. Rain likely after midnight. Lows in the mid 30s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Dangerfield Island Temperature Statistics

February Temperature

Washington/Reagan National Airport, DC (1.2 miles)

  • Lowest 1 February, 2026

    14.6 °F

  • Average February

    33.4 °F

  • Highest 14 February, 2026

    57.7 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (1.2 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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