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

Hazardous Weather Conditions

Current conditions at

Beaufort, Marine Corps Air Station (KNBC)

Lat: 32.49°NLon: 80.7°WElev: 36ft.

Partly Cloudy

90°F

32°C

Humidity 70%
Wind Speed S 6 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index106°F (41°C)
Last update 4 Sep 4:56 pm EDT
Extended Forecast for

7 Miles E Saint Helena Island SC

Heat Advisory September 5, 11:00am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southwest wind 5 to 8 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. Southwest wind 7 to 9 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 102. West wind 6 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 76. Northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 76 °F

    Heavy Rain

  • Labor Day

    Labor Day: Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 79. Southwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 79. Southwest wind 7 to 9 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 102. West wind 6 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 76. Northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Labor Day
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Saint Helena Island SC
 32.38°N 80.44°W (Elev. 10 ft)
Last Update:
2:30 pm EDT Sep 4, 2026
Forecast Valid:
5pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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