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

82°F

28°C

Humidity 84%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index90°F (32°C)
Last update 3 Jul 7:15 pm EDT
Extended Forecast for

Sullivan's Island SC

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. South wind 5 to 7 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 86. East wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 76. East wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 2pm, then showers and thunderstorms likely after 2pm. High near 83. Breezy, with an east wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers then
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. East wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. South wind 5 to 7 mph becoming calm in the evening.
Independence Day
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 86. East wind 6 to 16 mph, with gusts as high as 23 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 76. East wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm, mainly before 2pm, then showers and thunderstorms likely after 2pm. High near 83. Breezy, with an east wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. East wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan's Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
1:48 pm EDT Jul 3, 2025
Forecast Valid:
7pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025
 
Forecast Discussion
 
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Additional Resources

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