National Weather Service Forecast for: Myrtle Beach SC
Issued by: National Weather Service Wilmington, NC
Updated: 2:02 pm EDT Jun 22, 2025
 
Tonight

Tonight: Clear, with a low around 76. Southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Clear

 Monday

Monday: Sunny, with a high near 86. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 78. South wind 6 to 9 mph, with gusts as high as 15 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 91. Heat index values as high as 102. West wind 5 to 8 mph becoming south in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 78. South wind around 6 mph becoming light and variable after midnight.
Mostly Clear

 Wednesday

Wednesday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 77.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 86.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 77.
Mostly Clear
Lo 76 °F Hi 86 °F Lo 78 °F Hi 91 °F Lo 78 °F Hi 90 °F Lo 77 °F Hi 86 °F Lo 77 °F

Extreme Heat Watch
 

Tonight
 
 Clear, with a low around 76. Southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
 
 Sunny, with a high near 86. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Monday Night
 
 Mostly clear, with a low around 78. South wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday
 
 Sunny, with a high near 91. Heat index values as high as 102. West wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 78. South wind around 6 mph becoming light and variable after midnight.
Wednesday
 
 A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Chance of precipitation is 20%.
Wednesday Night
 
 Partly cloudy, with a low around 77.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Mostly clear, with a low around 77.
Friday
 
 Sunny, with a high near 86.
Friday Night
 
 Partly cloudy, with a low around 77.
Saturday
 
 Mostly sunny, with a high near 86.
Saturday Night
 
 Partly cloudy, with a low around 78.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Myrtle Beach SC.