Potomac River - Hallowing Point Weather Forecast
- 71
- 81
Chance Rain Showers
- 72
- 83
Rain Showers
- 72
- 85
Partly Sunny
- 66
- 83
Partly Sunny
- 68
- 82
Mostly Sunny
- 70
- 85
Mostly Sunny
Today 11 Sep Charles
Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.
Tonight 11 Sep Charles
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 40 percent.
Potomac River - Hallowing Point Temperature Statistics
September Temperature
Fort Belvoir (6.2 miles)
Lowest 8 September, 2026
58.8 °FAverage September
76.6 °FHighest 1 September, 2026
96.4 °F
Climate (2021–2026)
Fort Belvoir (6.2 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.2 °FAverage High 2021–2026
68.4 °F