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Portsmouth, VA Marine Weather Forecast

Today - 102°F
Jul 03, 2026
6 mph SW
Sunny
Sunny, with a high near 102. Heat index values as high as 114. Southwest wind around 6 mph.
Tonight - 79°F
Jul 03, 2026
7 mph SW
Mostly Clear
Mostly clear, with a low around 79. Heat index values as high as 111. Southwest wind around 7 mph.
Independence Day - 101°F
Jul 04, 2026
6 mph W
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5pm. Sunny, with a high near 101. Heat index values as high as 112. West wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday Night - 78°F
Jul 04, 2026
6 mph S
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Heat index values as high as 107. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 98°F
Jul 05, 2026
5 to 9 mph S
Sunny
Sunny, with a high near 98. South wind 5 to 9 mph.
Sunday Night - 77°F
Jul 05, 2026
5 to 9 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Monday - 97°F
Jul 06, 2026
5 to 8 mph S
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 97. Chance of precipitation is 50%.
Monday Night - 77°F
Jul 06, 2026
8 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.
Tuesday - 93°F
Jul 07, 2026
8 mph SW
Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Tuesday Night - 75°F
Jul 07, 2026
7 mph S
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Wednesday - 91°F
Jul 08, 2026
7 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. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Wednesday Night - 74°F
Jul 08, 2026
2 to 6 mph SE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Thursday - 92°F
Jul 09, 2026
2 to 7 mph E
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night - 75°F
Jul 09, 2026
3 to 7 mph S
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. Partly cloudy, with a low around 75.

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