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Champlain, VA Marine Weather Forecast

Station NCDV2 - 8635027 - Dahlgren, VA

July 2, 2026 6:48 pm EDT
Location: 38.32N 77.037W
Wind Direction: WNW (290°)
Wind Speed: 1.9 knots
Wind Gust: 4.1 knots
Atmospheric Pressure: 29.98 in (1015.1 mb)
Water Temperature: 87.3°F (30.7°C)


Tonight - 82°F
Jul 02, 2026
6 mph SW
Clear
Clear, with a low around 82. Heat index values as high as 112. Southwest wind around 6 mph.
Friday - 102°F
Jul 03, 2026
2 to 6 mph NW
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 102. Heat index values as high as 113. Northwest wind 2 to 6 mph. Chance of precipitation is 20%.
Friday Night - 81°F
Jul 03, 2026
5 mph SW
Mostly Clear
Mostly clear, with a low around 81. Heat index values as high as 110. Southwest wind around 5 mph.
Independence Day - 103°F
Jul 04, 2026
1 to 6 mph NW
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 103. Heat index values as high as 114. Northwest wind 1 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 78°F
Jul 04, 2026
2 to 6 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. West wind 2 to 6 mph. Chance of precipitation is 50%.
Sunday - 97°F
Jul 05, 2026
1 to 6 mph NE
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 97. Chance of precipitation is 60%.
Sunday Night - 75°F
Jul 05, 2026
2 to 6 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 70%.
Monday - 87°F
Jul 06, 2026
2 to 7 mph E
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Monday Night - 73°F
Jul 06, 2026
3 to 7 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Tuesday - 83°F
Jul 07, 2026
5 to 8 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 83. Chance of precipitation is 40%.
Tuesday Night - 72°F
Jul 07, 2026
3 to 8 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 72. Chance of precipitation is 40%.
Wednesday - 83°F
Jul 08, 2026
3 to 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 83. Chance of precipitation is 20%.
Wednesday Night - 73°F
Jul 08, 2026
2 to 7 mph E
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday - 85°F
Jul 09, 2026
2 to 7 mph W
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85.

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