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

80°F

27°C

Humidity 82%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 4 Jul 11:56 pm EDT
Extended Forecast for

3 Miles ENE Saint Helena Island SC

  • Overnight

    Overnight: Mostly clear, with a low around 81. Southwest wind 3 to 6 mph.

    Low: 81 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Heat index values as high as 105. Light southwest wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 81. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 81 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 82 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80.

    Low: 80 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 80.

    Low: 80 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 81. Southwest wind 3 to 6 mph.
Sunday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Heat index values as high as 105. Light southwest wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 81. South wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. South wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 80.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Saint Helena Island SC
 32.39°N 80.52°W (Elev. 7 ft)
Last Update:
8:33 pm EDT Jul 4, 2026
Forecast Valid:
12am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation