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Petersburg, VA Marine Weather Forecast

Overnight - 72°F
Aug 18, 2026
2 mph NW
Chance Rain Showers
A chance of rain showers before 2am. Mostly cloudy, with a low around 72. Northwest wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 89°F
Aug 18, 2026
2 to 6 mph NW
Mostly Sunny
Mostly sunny, with a high near 89. Northwest wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 70°F
Aug 18, 2026
5 mph NE
Partly Cloudy
Partly cloudy, with a low around 70. Northeast wind around 5 mph.
Wednesday - 91°F
Aug 19, 2026
2 mph SW
Sunny
Sunny, with a high near 91. Southwest wind around 2 mph.
Wednesday Night - 72°F
Aug 19, 2026
2 mph S
Mostly Clear
Mostly clear, with a low around 72. South wind around 2 mph.
Thursday - 90°F
Aug 20, 2026
1 to 6 mph SW
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night - 70°F
Aug 20, 2026
0 to 5 mph SE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 80%.
Friday - 86°F
Aug 21, 2026
2 mph N
Showers And Thunderstorms Likely
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Friday Night - 68°F
Aug 21, 2026
1 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 80%.
Saturday - 84°F
Aug 22, 2026
2 mph W
Showers And Thunderstorms Likely
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Saturday Night - 69°F
Aug 22, 2026
1 mph W
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday - 85°F
Aug 23, 2026
0 to 3 mph W
Chance Rain Showers
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 40%.
Sunday Night - 66°F
Aug 23, 2026
2 mph SW
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday - 85°F
Aug 24, 2026
2 mph W
Sunny
Sunny, with a high near 85.

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