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

Beaufort, Marine Corps Air Station (KNBC)

Lat: 32.49°NLon: 80.7°WElev: 36ft.

Mostly Cloudy

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in (1017.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 4 Oct 3:56 am EDT
Extended Forecast for

8 Miles ENE Saint Helena Island SC

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 71. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm, then a slight chance of thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 75. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Heavy Rain

  • Monday Night

    Monday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 69. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Mostly cloudy, with a low around 66. Breezy.

    Low: 66 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 71. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms, mainly before 3pm, then a slight chance of thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 75. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 69. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Mostly cloudy, with a low around 66. Breezy.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Saint Helena Island SC
 32.4°N 80.44°W (Elev. 3 ft)
Last Update:
3:11 am EDT Oct 4, 2026
Forecast Valid:
4am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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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