Potomac River - Dangerfield Island Weather Forecast

    • 55
    • 59

    Rain Showers

    • 61
    • 73

    Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 63
    • 75

    Chance Rain Showers

    • 64
    • 80

    Slight Chance Thunderstorms

    • 60
    • 80

    Partly Sunny

Today 23 May Arlington/Falls Church/Alexandria

Rain. Patchy fog. Highs in the upper 50s. East Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 23 May Arlington/Falls Church/Alexandria

Showers likely. Lows in the lower 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Dangerfield Island Temperature Statistics

May Temperature

Washington/Reagan National Airport, DC (1.2 miles)

  • Lowest 1 May, 2026

    44.7 °F

  • Average May

    66.1 °F

  • Highest 19 May, 2026

    95 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    69.2 °F
Get WillyWeather+ to remove ads