George Washington University Weather Forecast

    • 70
    • 84

    Rain Showers

    • 69
    • 87

    Chance Rain Showers

    • 59
    • 81

    Partly Sunny

    • 63
    • 78

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

    • 66
    • 88

    Chance Rain Showers

Today 12 Sep District of Columbia

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 12 Sep District of Columbia

Mostly cloudy. Lows in the upper 60s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

George Washington University Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (3.1 miles)

  • Lowest 7 September, 2026

    64.7 °F

  • Average September

    79.8 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (3.1 miles)

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

  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
Get WillyWeather+ to remove ads