Potomac River - Medleys Creek Entrance Weather Forecast
- 75
- 83
Becoming Sunny
- 75
- 82
Mostly Sunny
- 77
- 84
Mostly Sunny
- 80
- 90
Mostly Sunny
- 78
- 89
Chance Thunderstorms
- 78
- 84
Chance Thunderstorms
Today 22 Jul St. Marys
Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.
Tonight 22 Jul St. Marys
Mostly clear. Lows around 70. East Winds 5 to 10 Mph.
Potomac River - Medleys Creek Entrance Temperature Statistics
July Temperature
St Marys County Airport (8.1 miles)
Lowest 5 July, 2025
62.6 °FAverage July
78.2 °FHighest 1 July, 2025
91.4 °F
Climate (2020–Present)
St Marys County Airport (8.1 miles)
Average Low 2020–2025
49.6 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
66.7 °F