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.

Partly Cloudy

70°F

21°C

Humidity 47%
Wind Speed Vrbl 5 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 49°F (9°C)
Visibility 7.00 mi
Last update 13 Mar 1:56 pm EDT
Extended Forecast for

Saint Helena Island SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Southeast wind around 6 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 60. East wind around 6 mph.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 73. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Southeast wind around 6 mph.
Tonight
Clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 60. East wind around 6 mph.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 73. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena Island SC
 32.37°N 80.57°W (Elev. 10 ft)
Last Update:
2:17 pm EDT Mar 13, 2026
Forecast Valid:
2pm EDT Mar 13, 2026-6pm EDT Mar 19, 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