Potomac River - Fort Washington Light Weather Forecast
- 71
- 85
Chance Thunderstorms
- 71
- 87
Chance Rain Showers
- 74
- 87
Rain Showers Likely
- 72
- 90
Chance Rain Showers
- 69
- 87
Mostly Sunny
- 73
- 89
Partly Sunny
Today 14 Aug Prince Georges
Partly sunny late this Morning, then becoming mostly cloudy. A slight chance of Showers late this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northeast Winds around 5 Mph. Chance of rain 50 percent.
Tonight 14 Aug Prince Georges
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. North Winds around 5 Mph. Chance of rain 50 percent.
Potomac River - Fort Washington Light Temperature Statistics
August Temperature
Fort Belvoir (7.5 miles)
Lowest 1 August, 2026
65.5 °FAverage August
79.8 °FHighest 8 August, 2026
92.8 °F
Climate (2021–2026)
Fort Belvoir (7.5 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.3 °F