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Brentwood, MD Marine Weather Forecast

Station WASD2 - 8594900 - Washington, DC

July 3, 2026 12:48 pm EDT
Location: 38.873N 77.021W
Wind Speed: 0.0 knots
Wind Gust: 8.0 knots
Atmospheric Pressure: 30.03 in (1016.8 mb)
Water Temperature: 84.4°F (29.1°C)


This Afternoon - 102°F
Jul 03, 2026
7 mph NW
Sunny
Sunny, with a high near 102. Heat index values as high as 111. Northwest wind around 7 mph.
Tonight - 82°F
Jul 03, 2026
1 to 7 mph W
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms between 8pm and midnight. Mostly clear, with a low around 82. Heat index values as high as 108. West wind 1 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Independence Day - 102°F
Jul 04, 2026
1 to 7 mph W
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Sunny, with a high near 102. Heat index values as high as 110. West wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 76°F
Jul 04, 2026
1 to 7 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. Heat index values as high as 103. West wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 96°F
Jul 05, 2026
0 to 7 mph S
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 96. South wind 0 to 7 mph. Chance of precipitation is 70%.
Sunday Night - 73°F
Jul 05, 2026
2 to 7 mph NE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Monday - 89°F
Jul 06, 2026
2 to 6 mph E
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 89. Chance of precipitation is 80%.
Monday Night - 72°F
Jul 06, 2026
5 to 8 mph E
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 80%.
Tuesday - 87°F
Jul 07, 2026
6 to 9 mph N
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Tuesday Night - 71°F
Jul 07, 2026
5 to 9 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Wednesday - 89°F
Jul 08, 2026
7 mph N
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Wednesday Night - 72°F
Jul 08, 2026
3 to 7 mph SE
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Thursday - 91°F
Jul 09, 2026
6 mph S
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Thursday Night - 73°F
Jul 09, 2026
7 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 73.

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