Potomac River - Piscataway Creek Entrance Weather Forecast
- 62
- 82
Mostly Sunny
- 64
- 85
Mostly Sunny
- 63
- 77
Partly Sunny
- 62
- 75
Slight Chance Thunderstorms
- 63
- 78
Partly Sunny
- 65
- 82
Mostly Cloudy
Today 18 Sep Prince Georges
Sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.
Tonight 18 Sep Prince Georges
Clear. Lows in the lower 60s. Southwest Winds around 5 Mph.
Potomac River - Piscataway Creek Entrance Temperature Statistics
September Temperature
Fort Belvoir (7.5 miles)
Lowest 9 September, 2025
49.8 °FAverage September
67.8 °FHighest 6 September, 2025
92.7 °F
Climate (2020–Present)
Fort Belvoir (7.5 miles)
Average Low 2020–2025
47.8 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.3 °F