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MYRTLEBEACH 7 Day Forecast

NWS Forecast for: Myrtle Beach SC
Issued by: National Weather Service Wilmington, NC
Last Update: 6:00 am EDT Jun 13, 2026		Print

Today

Today: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Light west wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 92 °F

Mostly Sunny
then Chance
T-storms

Tonight

Tonight: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Low: 79 °F

Chance
T-storms then
Partly Cloudy

Sunday

Sunday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 106. South wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 89 °F

Sunny then
Chance
T-storms

Sunday
Night

Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 79. Southwest wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Low: 79 °F

Slight Chance
T-storms then
Slight Chance
Showers

Monday

Monday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. West wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 90 °F

Mostly Sunny
then Showers
Likely

Monday
Night

Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 75 °F

Showers
Likely


Tuesday

Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

High: 84 °F

Showers
Likely


Tuesday
Night

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Low: 73 °F

Chance
T-storms


Wednesday

Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

High: 85 °F

Chance
Showers





Today: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Light west wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 106. South wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 79. Southwest wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. West wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Wednesday Night: Partly cloudy, with a low around 76.

Thursday: Mostly sunny, with a high near 90.

Thursday Night: Partly cloudy, with a low around 80.

Juneteenth: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.


Myrtle Beach SC
 33.69°N 78.9°W (Elev. 23 ft)

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