Naval Observatory Weather Forecast
- 59
- 80
Mostly Sunny
- 64
- 85
Mostly Sunny
- 70
- 88
Mostly Sunny
- 67
- 87
Chance Rain Showers
- 68
- 81
Mostly Cloudy
- 68
- 87
Chance Rain Showers
Today 15 Sep District of Columbia
Sunny. Highs around 80. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.
Tonight 15 Sep District of Columbia
Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.
Naval Observatory Temperature Statistics
September Temperature
Washington/Reagan National Airport, DC (5 miles)
Lowest 7 September, 2026
64.7 °FAverage September
79.7 °FHighest 1 September, 2026
98.7 °F
Climate (2021–2026)
Washington/Reagan National Airport, DC (5 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
69.3 °F