Potomac River - Marbury Point Weather Forecast
- 73
- 90
Chance Thunderstorms
- 73
- 87
Chance Rain Showers
- 74
- 89
Chance Rain Showers
- 68
- 87
Mostly Cloudy
- 68
- 83
Partly Sunny
- 73
- 87
Chance Thunderstorms
Today 11 Aug District of Columbia
Partly sunny with a chance of Showers. A chance of Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 30 percent.
Tonight 11 Aug District of Columbia
Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 40 percent.
Potomac River - Marbury Point Temperature Statistics
August Temperature
Washington/Reagan National Airport, DC (1.9 miles)
Lowest 1 August, 2026
71.7 °FAverage August
82.2 °FHighest 8 August, 2026
93 °F
Climate (2021–2026)
Washington/Reagan National Airport, DC (1.9 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
69.3 °F