Potomac Weather Forecast

    • 64
    • 77

    Rain Showers

    • 67
    • 81

    Chance Rain Showers

    • 67
    • 87

    Chance Thunderstorms

    • 65
    • 87

    Rain Showers Likely

    • 62
    • 84

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

Today 14 May Arlington/Falls Church/Alexandria

Patchy fog in the morning. Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 14 May Arlington/Falls Church/Alexandria

Showers likely. Patchy fog. Lows in the lower 60s. East 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 Temperature Statistics

May Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 10 May, 2025

    49.6 °F

  • Average May

    69 °F

  • Highest 2 May, 2025

    84.7 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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

  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    69.2 °F
Get WillyWeather+ to remove ads