Potomac River - Fort Washington Light Weather Forecast
- 61
- 72
Mostly Cloudy
- 61
- 77
Partly Sunny
- 63
- 82
Mostly Sunny
- 66
- 86
Mostly Sunny
- 66
- 87
Slight Chance Rain Showers
- 63
- 73
Chance Rain Showers
- 57
- 71
Chance Rain Showers
Today 28 Sep Prince Georges
Partly sunny. Highs in the upper 60s.
Tonight 28 Sep Prince Georges
Mostly cloudy. Lows around 60. West Winds around 5 Mph.
Potomac River - Fort Washington Light Temperature Statistics
September Temperature
Fort Belvoir (7.5 miles)
Lowest 25 September, 2026
52 °FAverage September
72.7 °FHighest 1 September, 2026
96.4 °F
Climate (2021–2026)
Fort Belvoir (7.5 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.2 °FAverage High 2021–2026
68.3 °F