Capitol Hill Weather Forecast
- 62
- 84
Mostly Sunny
- 65
- 86
Partly Sunny
- 73
- 89
Mostly Sunny
- 69
- 90
Chance Rain Showers
- 66
- 83
Mostly Sunny
- 68
- 84
Partly Sunny
Today 7 Sep District of Columbia
Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.
Tonight 7 Sep District of Columbia
Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable.
Capitol Hill Temperature Statistics
September Temperature
Washington/Reagan National Airport, DC (3.1 miles)
Lowest 3 September, 2026
71.7 °FAverage September
82.5 °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