Potomac River - Weir Creek Entrance Weather Forecast
- 42
- 51
Mostly Cloudy
- 45
- 53
Decreasing Clouds
- 60
- 70
Slight Chance Rain Showers
- 49
- 72
Rain Showers
- 42
- 58
Mostly Sunny
- 51
- 66
Mostly Sunny
- 53
- 74
Mostly Cloudy
Today 13 Mar Charles
Partly sunny. Highs in the mid 50s. Northeast Winds around 5 Mph.
Tonight 13 Mar Charles
Mostly cloudy. Patchy fog after midnight. Lows around 40. Northeast Winds around 5 Mph.
Potomac River - Weir Creek Entrance Temperature Statistics
March Temperature
St Marys County Airport (19.9 miles)
Lowest 3 March, 2025
21.2 °FAverage March
44.2 °FHighest 1 March, 2025
68 °F
Climate (2020–Present)
St Marys County Airport (19.9 miles)
Average Low 2020–2025
49.4 °FAverage 2020–2025
57.8 °FAverage High 2020–2025
66.5 °F