Potomac River - Chapman Point Weather Forecast
- 66
- 83
Partly Sunny
- 65
- 80
Mostly Cloudy
- 64
- 73
Chance Rain Showers
- 64
- 74
Chance Rain Showers
- 66
- 79
Slight Chance Thunderstorms
- 67
- 83
Partly Sunny
Today 14 Sep Charles
Sunny. Highs in the mid 80s. Southwest Winds around 5 Mph, becoming southeast in the afternoon.
Tonight 14 Sep Charles
Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.
Potomac River - Chapman Point Temperature Statistics
September Temperature
Fort Belvoir (6.8 miles)
Lowest 9 September, 2025
49.8 °FAverage September
67.2 °FHighest 6 September, 2025
92.7 °F
Climate (2020–Present)
Fort Belvoir (6.8 miles)
Average Low 2020–2025
47.8 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.3 °F