Potomac River - Chapmans Point Weather Forecast
- 56
- 74
Sunny
- 60
- 75
Partly Sunny
- 59
- 74
Partly Sunny
- 62
- 81
Mostly Sunny
- 60
- 79
Mostly Sunny
- 60
- 77
Mostly Sunny
Today 8 Sep Charles
Sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.
Tonight 8 Sep Charles
Clear. Lows in the lower 50s. Northeast Winds around 5 Mph.
Potomac River - Chapmans Point Temperature Statistics
September Temperature
Fort Belvoir (5.6 miles)
Lowest 3 September, 2025
52.9 °FAverage September
68.5 °FHighest 6 September, 2025
92.7 °F
Climate (2020–Present)
Fort Belvoir (5.6 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.3 °F