Rain Showers Likely
Today 21 Jul St. Marys
Mostly sunny. Hot with Highs in the upper 90s. West Winds 5 to 10 Mph. Heat index Values up to 111.
Tonight 21 Jul St. Marys
Partly cloudy. Lows around 80. West Winds around 5 Mph.
Potomac River - Calvert Bay Temperature Statistics
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.1 miles)
Lowest 9 July, 201968 °F
Average July83.6 °F
Highest 17 July, 201998.1 °F
St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.1 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present51.5 °F
Average 2010–Present59.5 °F
Average High 2010–Present67.2 °F