National Weather Service Forecast for: North Myrtle Beach, Grand Strand Airport SC
Issued by: National Weather Service Wilmington, NC
Updated: 7:25 pm EDT Jun 23, 2025
 
Tonight

Tonight: Mostly clear, with a low around 77. Southwest wind 5 to 10 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 93. Heat index values as high as 103. West wind 5 to 7 mph becoming east in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 90. Heat index values as high as 104. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 75. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Thursday

Thursday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 75.
Mostly Clear

 Friday

Friday: Sunny, with a high near 87.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 76.
Mostly Clear
Lo 77 °F Hi 93 °F Lo 77 °F Hi 90 °F Lo 75 °F Hi 87 °F Lo 75 °F Hi 87 °F Lo 76 °F

Heat Advisory
 

Tonight
 
 Mostly clear, with a low around 77. Southwest wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 93. Heat index values as high as 103. West wind 5 to 7 mph becoming east in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
 
 A chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 90. Heat index values as high as 104. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 75. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. Chance of precipitation is 20%.
Thursday Night
 
 Mostly clear, with a low around 75.
Friday
 
 Sunny, with a high near 87.
Friday Night
 
 Mostly clear, with a low around 76.
Saturday
 
 Sunny, with a high near 88.
Saturday Night
 
 Mostly clear, with a low around 76.
Sunday
 
 A chance of showers and thunderstorms. Sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly clear, with a low around 77. Chance of precipitation is 30%.
Monday
 
 A chance of showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for North Myrtle Beach, Grand Strand Airport SC.