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.

Fair

37°F

3°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Feb 11:56 pm EST
Extended Forecast for

Saint Helena Island SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 65. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 57. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 65. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 61. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 53. South wind around 9 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 65. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 57. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 65. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 53. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 52.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 68.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena Island SC
 32.39°N 80.57°W (Elev. 20 ft)
Last Update:
12:27 am EST Feb 25, 2026
Forecast Valid:
12am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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