National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Last update 2 Sep 3:35 am EDT
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 78. Southeast wind 3 to 8 mph.

    Low: 78 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southeast wind 5 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 78. Southeast wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 78. Southeast wind 5 to 7 mph.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 90.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Labor Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
2:35 am EDT Sep 2, 2026
Forecast Valid:
3am EDT Sep 2, 2026-6pm EDT Sep 8, 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