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Dahlgren, VA Marine Weather Forecast

Station NCDV2 - 8635027 - Dahlgren, VA

August 18, 2026 12:48 am EDT
Location: 38.32N 77.037W
Wind Direction: WNW (300°)
Wind Speed: 1.0 knots
Wind Gust: 1.9 knots
Atmospheric Pressure: 29.83 in (1010.2 mb)
Water Temperature: 83.8°F (28.8°C)


Overnight - 74°F
Aug 18, 2026
3 mph W
Mostly Cloudy
Mostly cloudy, with a low around 74. West wind around 3 mph. New rainfall amounts between a quarter and half of an inch possible.
Tuesday - 88°F
Aug 18, 2026
6 mph NW
Patchy Fog then Isolated Showers And Thunderstorms
Patchy fog before 8am, then isolated showers and thunderstorms. Mostly sunny, with a high near 88. Northwest wind around 6 mph. Chance of precipitation is 20%.
Tuesday Night - 73°F
Aug 18, 2026
1 to 5 mph N
Isolated Showers And Thunderstorms then Partly Cloudy
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. North wind 1 to 5 mph. Chance of precipitation is 20%.
Wednesday - 89°F
Aug 19, 2026
3 mph NW
Sunny
Sunny, with a high near 89. Northwest wind around 3 mph.
Wednesday Night - 74°F
Aug 19, 2026
3 mph S
Mostly Clear then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly clear, with a low around 74. South wind around 3 mph. Chance of precipitation is 30%.
Thursday - 88°F
Aug 20, 2026
2 to 6 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Thursday Night - 72°F
Aug 20, 2026
2 to 6 mph N
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Friday - 84°F
Aug 21, 2026
5 mph NE
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 84. Chance of precipitation is 50%.
Friday Night - 72°F
Aug 21, 2026
5 mph E
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 72. Chance of precipitation is 70%.
Saturday - 83°F
Aug 22, 2026
5 mph E
Showers And Thunderstorms Likely
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night - 71°F
Aug 22, 2026
5 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Sunday - 85°F
Aug 23, 2026
2 to 7 mph W
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night - 69°F
Aug 23, 2026
5 mph NW
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday - 83°F
Aug 24, 2026
7 mph NW
Sunny
Sunny, with a high near 83.

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