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

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.92 in (1013.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 4 Aug 3:56 am EDT
Extended Forecast for

Port Royal SC

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of thunderstorms before 8am. Mostly sunny, with a high near 90. Heat index values as high as 103. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 78. South wind 5 to 8 mph.

    Low: 78 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of thunderstorms before 8am. Mostly sunny, with a high near 90. Heat index values as high as 103. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 78. South wind 5 to 8 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 78.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Royal SC
 32.4°N 80.68°W (Elev. 3 ft)
Last Update:
2:35 am EDT Aug 4, 2026
Forecast Valid:
4am EDT Aug 4, 2026-6pm EDT Aug 10, 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