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.

Fair

77°F

25°C

Humidity 94%
Wind Speed N 5 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Jul 3:56 am EDT
Extended Forecast for

4 Miles NE Saint Helena Island SC

Heat Advisory July 27, 11:00am until July 27, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 80. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 110. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 82. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 82 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 96. West wind around 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 80. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 95. Heat index values as high as 110. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 82. South wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 96. West wind around 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Saint Helena Island SC
 32.41°N 80.52°W (Elev. 10 ft)
Last Update:
2:35 am EDT Jul 27, 2026
Forecast Valid:
4am EDT Jul 27, 2026-6pm EDT Aug 2, 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