Potomac River - Marbury Point Weather Forecast
- 72
- 86
Rain Showers Likely
- 74
- 86
Rain Showers Likely
- 76
- 91
Partly Sunny
- 74
- 91
Chance Thunderstorms
- 74
- 91
Rain Showers Likely
- 75
- 91
Chance Thunderstorms
Today 4 Aug District of Columbia
Partly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.
Tonight 4 Aug District of Columbia
Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 60 percent.
Potomac River - Marbury Point Temperature Statistics
August Temperature
Washington/Reagan National Airport, DC (1.9 miles)
Lowest 1 August, 2026
73 °FAverage August
80.5 °FHighest 1 August, 2026
90 °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