National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Norfolk, Naval Air Station (KNGU)

Lat: 36.93°NLon: 76.3°WElev: 13ft.

Partly Cloudy

84°F

29°C

Humidity 74%
Wind Speed Calm
Barometer 29.83 in (1010.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Aug 7:59 pm EDT
Extended Forecast for

Portsmouth VASimilar City Names

  • Tonight

    Tonight: A chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers. Mostly cloudy, with a low around 76. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southeast wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 93. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 93 °F

    Sunny then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

    Low: 73 °F

    Heavy Rain

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers. Mostly cloudy, with a low around 76. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind around 6 mph becoming calm in the evening.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 93. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 72. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth VASimilar City Names
 36.83°N 76.3°W (Elev. 3 ft)
Last Update:
8:34 pm EDT Aug 17, 2026
Forecast Valid:
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation