Station 44042 - Potomac, MD
August 18, 2026 6:36 am EDTLocation: 38.033N 76.335W
Wind Direction: NW (320°)
Wind Speed: 5.8 knots
Wind Gust: 7.8 knots
Air Temperature: 77.0°F (25.0°C)
Water Temperature: 82.9°F (28.3°C)
Today - 86°F
Aug 18, 2026
8 mph N
Mostly Sunny then Isolated Showers And Thunderstorms
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. North wind around 8 mph. Chance of precipitation is 20%.
Tonight - 74°F
Aug 18, 2026
6 mph N
Mostly Clear
Mostly clear, with a low around 74. North wind around 6 mph.
Wednesday - 89°F
Aug 19, 2026
6 mph N
Sunny
Sunny, with a high near 89. North wind around 6 mph.
Wednesday Night - 76°F
Aug 19, 2026
5 mph S
Mostly Clear
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday - 89°F
Aug 20, 2026
2 to 7 mph S
Showers And Thunderstorms Likely
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Partly sunny, with a high near 89. South wind 2 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Thursday Night - 73°F
Aug 20, 2026
3 to 7 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 73. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Friday - 85°F
Aug 21, 2026
6 mph N
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night - 73°F
Aug 21, 2026
5 mph SE
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Saturday - 84°F
Aug 22, 2026
6 mph S
Rain Showers Likely
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Saturday Night - 73°F
Aug 22, 2026
6 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Sunday - 85°F
Aug 23, 2026
7 mph W
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night - 72°F
Aug 23, 2026
8 mph W
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday - 83°F
Aug 24, 2026
8 mph NW
Sunny
Sunny, with a high near 83.
Monday Night - 72°F
Aug 24, 2026
7 mph SW
Mostly Clear
Mostly clear, with a low around 72.