George Washington University Weather Forecast
- 64
- 86
Mostly Cloudy
- 68
- 80
Windy
- 68
- 84
Rain Showers Likely
- 64
- 79
Chance Rain Showers
- 60
- 70
Rain Showers Likely
- 59
- 64
Chance Rain Showers
Today 18 Sep District of Columbia
Partly sunny. Highs in the mid 80s. North Winds 5 to 10 Mph.
Tonight 18 Sep District of Columbia
Mostly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.
George Washington University Temperature Statistics
September Temperature
Washington/Reagan National Airport, DC (3.1 miles)
Lowest 15 September, 2026
59 °FAverage September
78.9 °FHighest 1 September, 2026
98.7 °F
Climate (2021–2026)
Washington/Reagan National Airport, DC (3.1 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
69.3 °F