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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 Aug 25, 2026

Today High: 86 °F Partly Sunny Tonight Low: 74 °F Mostly Clear then Chance T-storms Wednesday High: 85 °F Chance T-storms Wednesday Night Low: 74 °F Chance T-storms then Showers Likely Thursday High: 86 °F Showers Likely Thursday Night Low: 75 °F Chance T-storms Friday High: 86 °F Chance T-storms then T-storms Friday Night Low: 74 °F T-storms then Showers Likely Saturday High: 84 °F Showers Likely

Today: Partly sunny, with a high near 86. Southeast wind around 8 mph. Tonight: A chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Light east wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%. 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, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 74. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%. Friday Night: Showers and possibly a thunderstorm. Low around 74. Chance of precipitation is 80%. Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%. Sunday Night: Partly cloudy, with a low around 75. Monday: Mostly sunny, with a high near 86.

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

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