Potomac River - Saint Clements Island Weather Forecast
- 51
- 54
Mostly Cloudy
- 52
- 67
Mostly Cloudy
- 37
- 63
Rain Likely
- 36
- 46
Mostly Sunny
- 44
- 52
Partly Sunny
- 52
- 60
Partly Sunny
Today 25 Mar St. Marys
Mostly sunny. Highs in the upper 50s. South Winds 5 to 10 Mph.
Tonight 25 Mar St. Marys
Mostly cloudy. Lows in the upper 40s. South Winds 5 to 10 Mph.
Potomac River - Saint Clements Island Temperature Statistics
March Temperature
St Marys County Airport (12.4 miles)
Lowest 18 March, 2026
26.4 °FAverage March
51.5 °FHighest 11 March, 2026
85.8 °F
Climate (2021–Present)
St Marys County Airport (12.4 miles)
Average Low 2021–2026
49.3 °FAverage 2021–2026
57.9 °FAverage High 2021–2026
66.6 °F