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

77°F

25°C

Humidity 83%
Wind Speed Vrbl 5 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 4 Nov 4:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Southeast wind 3 to 7 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Southeast wind 3 to 7 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. Light south wind.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 69.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Veterans Day
A 20 percent chance of showers. Mostly sunny, with a high near 71.
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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:
1:30 pm EST Nov 4, 2026
Forecast Valid:
4pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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