Station 44042 - Potomac, MD
July 3, 2026 12:30 pm EDTLocation: 38.033N 76.335W
Wind Direction: SW (230°)
Wind Speed: 3.9 knots
Wind Gust: 3.9 knots
Air Temperature: 89.4°F (31.9°C)
Water Temperature: 85.5°F (29.7°C)
This Afternoon - 92°F
Jul 03, 2026
3 to 8 mph S
Sunny
Sunny, with a high near 92. Heat index values as high as 105. South wind 3 to 8 mph.
Tonight - 82°F
Jul 03, 2026
5 to 8 mph SW
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms between 10pm and midnight. Mostly clear, with a low around 82. Heat index values as high as 102. Southwest wind 5 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Independence Day - 92°F
Jul 04, 2026
2 to 9 mph SW
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 92. Heat index values as high as 101. Southwest wind 2 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 79°F
Jul 04, 2026
3 to 10 mph SW
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight. Partly cloudy, with a low around 79. Heat index values as high as 100. Southwest wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 88°F
Jul 05, 2026
3 to 12 mph S
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind 3 to 12 mph. Chance of precipitation is 20%.
Sunday Night - 78°F
Jul 05, 2026
7 to 14 mph SE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 50%.
Monday - 89°F
Jul 06, 2026
6 to 13 mph SE
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night - 78°F
Jul 06, 2026
7 to 13 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 78. Chance of precipitation is 60%.
Tuesday - 85°F
Jul 07, 2026
8 mph NW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night - 76°F
Jul 07, 2026
9 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Wednesday - 85°F
Jul 08, 2026
7 mph N
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night - 77°F
Jul 08, 2026
5 to 8 mph SE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Thursday - 86°F
Jul 09, 2026
5 to 8 mph E
Slight Chance Rain Showers
A slight chance of rain showers. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Thursday Night - 78°F
Jul 09, 2026
6 to 10 mph S
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 78.