National Weather Service Forecast for: North Myrtle Beach, Grand Strand Airport SC
Issued by: National Weather Service Wilmington, NC
Updated: 6:00 pm EDT Jun 18, 2026
 
Tonight

Tonight: A chance of showers, mainly after 4am.  Mostly cloudy, with a low around 78. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers

Juneteenth

Juneteenth: Showers, with thunderstorms also possible after 2pm.  High near 88. Breezy, with a west wind 15 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Breezy then
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph becoming northwest after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 87. North wind 5 to 8 mph becoming east in the afternoon.
Mostly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 72. Light south wind.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 88.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 76.
Mostly Clear

Monday

Monday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
Monday
Night
Monday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
Lo 78 °F Hi 88 °F Lo 72 °F Hi 87 °F Lo 72 °F Hi 88 °F Lo 76 °F Hi 89 °F Lo 78 °F

Beach Hazards Statement
 

Tonight
 
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 78. Southwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
 
Showers, with thunderstorms also possible after 2pm. High near 88. Breezy, with a west wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Mostly sunny, with a high near 87. North wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 72. Light south wind.
Sunday
 
Sunny, with a high near 88.
Sunday Night
 
Mostly clear, with a low around 76.
Monday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Tuesday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Wednesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Thursday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

 

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