National Weather Service Forecast for: Portsmouth VA
Issued by: National Weather Service Wakefield, VA
Updated: 4:35 am EDT Jun 22, 2026
 
Today

Today: Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 7 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

 Tonight

Tonight: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Tuesday

Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Likely
 Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. North wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 86. Northeast wind around 7 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 69.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 91.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 73.
Partly Cloudy

 Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Mostly Sunny
then Chance
T-storms
Hi 93 °F Lo 75 °F Hi 88 °F Lo 69 °F Hi 86 °F Lo 69 °F Hi 91 °F Lo 73 °F Hi 94 °F

Hazardous Weather Outlook
 

Today
 
 Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. North wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Sunny, with a high near 86. Northeast wind around 7 mph.
Wednesday Night
 
 Mostly clear, with a low around 69.
Thursday
 
 Mostly sunny, with a high near 91.
Thursday Night
 
 Partly cloudy, with a low around 73.
Friday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Saturday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
 
 Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Portsmouth VA.