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

94°F

34°C

Humidity 52%
Wind Speed NW 13 G 23 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 25 Jul 1:56 pm EDT
Extended Forecast for

2 Miles WSW Saint Helena Island SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Partly cloudy, with a low around 77. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 91. Northwest wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 2am. Partly cloudy, with a low around 77. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 91. Northwest wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. Calm wind.
Monday
Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Saint Helena Island SC
 32.37°N 80.6°W (Elev. 10 ft)
Last Update:
8:30 am EDT Jul 25, 2026
Forecast Valid:
2pm EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation