United States Capitol Weather Forecast
- 70
- 88
Mostly Sunny
- 72
- 90
Slight Chance Rain Showers
- 70
- 87
Rain Showers Likely
- 70
- 82
Rain Showers Likely
- 69
- 82
Chance Rain Showers
- 67
- 83
Chance Rain Showers
Today 18 Aug District of Columbia
Sunny. Highs in the upper 80s. North Winds around 5 Mph.
Tonight 18 Aug District of Columbia
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. Northwest Winds around 5 Mph.
United States Capitol Temperature Statistics
August Temperature
Washington/Reagan National Airport, DC (3.1 miles)
Lowest 1 August, 2026
71.7 °FAverage August
82.4 °FHighest 9 August, 2026
94.6 °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