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Mount Rainier, MD Marine Weather Forecast

Station WASD2 - 8594900 - Washington, DC

July 2, 2026 12:48 pm EDT
Location: 38.873N 77.021W
Wind Direction: WNW (290°)
Wind Speed: 4.1 knots
Wind Gust: 6.0 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Water Temperature: 82.6°F (28.1°C)


This Afternoon - 101°F
Jul 02, 2026
2 to 7 mph W
Sunny
Sunny, with a high near 101. Heat index values as high as 109. West wind 2 to 7 mph.
Tonight - 81°F
Jul 02, 2026
1 to 7 mph SW
Clear
Clear, with a low around 81. Heat index values as high as 107. Southwest wind 1 to 7 mph.
Friday - 103°F
Jul 03, 2026
2 to 7 mph NW
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 103. Heat index values as high as 111. Northwest wind 2 to 7 mph. Chance of precipitation is 20%.
Friday Night - 81°F
Jul 03, 2026
1 to 6 mph W
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 81. Heat index values as high as 108. West wind 1 to 6 mph. Chance of precipitation is 20%.
Independence Day - 100°F
Jul 04, 2026
1 to 8 mph NW
Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Sunny, with a high near 100. Northwest wind 1 to 8 mph. Chance of precipitation is 60%.
Saturday Night - 76°F
Jul 04, 2026
1 to 7 mph W
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Sunday - 94°F
Jul 05, 2026
1 to 6 mph NE
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 70%.
Sunday Night - 72°F
Jul 05, 2026
1 to 5 mph SE
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Monday - 87°F
Jul 06, 2026
1 to 7 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Monday Night - 70°F
Jul 06, 2026
3 to 7 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday - 85°F
Jul 07, 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. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night - 69°F
Jul 07, 2026
2 to 6 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 69. Chance of precipitation is 50%.
Wednesday - 86°F
Jul 08, 2026
2 to 6 mph NE
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 86. Chance of precipitation is 20%.
Wednesday Night - 70°F
Jul 08, 2026
1 to 5 mph E
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.

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