Potomac River - Monroe Bay Entrance Weather Forecast
- 77
- 92
Slight Chance Thunderstorms
- 77
- 93
Chance Thunderstorms
- 77
- 92
Mostly Sunny
- 77
- 95
Mostly Sunny
- 78
- 96
Chance Rain Showers
- 72
- 91
Rain Showers Likely
- 66
- 81
Chance Rain Showers
Today 26 Jul Westmoreland
Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. East Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 105.
Tonight 26 Jul Westmoreland
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 103 early this evening.
Potomac River - Monroe Bay Entrance Temperature Statistics
July Temperature
St Marys County Airport (23 miles)
Lowest 5 July, 2025
62.6 °FAverage July
77.8 °FHighest 1 July, 2025
91.4 °F
Climate (2020–Present)
St Marys County Airport (23 miles)
Average Low 2020–2025
49.6 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
66.7 °F