NWS Forecast for Portsmouth VA

National Weather Service Forecast for: Portsmouth VA
Issued by: National Weather Service Wakefield, VA

Updated: 4:26 pm EDT Jul 28, 2026

Tonight T-storms then Chance Showers	Wednesday Sunny	Wednesday Night Mostly Clear	Thursday Sunny	Thursday Night Mostly Clear	Friday Sunny	Friday Night Mostly Clear	Saturday Mostly Sunny	Saturday Night Mostly Cloudy
Lo 70 °F	Hi 88 °F	Lo 70 °F	Hi 86 °F	Lo 70 °F	Hi 86 °F	Lo 70 °F	Hi 86 °F	Lo 71 °F

Hazardous Weather Outlook

Tonight	Showers and thunderstorms, mainly before midnight. Low around 70. South wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday	Sunny, with a high near 88. Northwest wind 8 to 10 mph.
Wednesday Night	Mostly clear, with a low around 70. Calm wind becoming northwest around 6 mph after midnight.
Thursday	Sunny, with a high near 86. Northwest wind around 8 mph.
Thursday Night	Mostly clear, with a low around 70. Calm wind.
Friday	Sunny, with a high near 86.
Friday Night	Mostly clear, with a low around 70.
Saturday	Mostly sunny, with a high near 86.
Saturday Night	Mostly cloudy, with a low around 71.
Sunday	A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday	Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Monday Night	Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday	A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Forecast from NOAA-NWS for Portsmouth VA.