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MYRTLEBEACH 7 Day Forecast

NWS Forecast for: Myrtle Beach SC Issued by: National Weather Service Wilmington, NC Last Update: 10:46 pm EDT Sep 9, 2026

Tonight Low: 75 °F Mostly Clear Thursday High: 86 °F Chance Showers Thursday Night Low: 76 °F Partly Cloudy Friday High: 87 °F Mostly Sunny then Chance T-storms Friday Night Low: 76 °F Chance T-storms Saturday High: 86 °F Showers Likely Saturday Night Low: 76 °F Chance T-storms Sunday High: 85 °F Showers Likely Sunday Night Low: 76 °F Showers Likely then Partly Cloudy

Tonight: Mostly clear, with a low around 75. South wind 3 to 7 mph. Thursday: A chance of showers, mainly between 11am and 3pm. Mostly sunny, with a high near 86. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. Thursday Night: Partly cloudy, with a low around 76. South wind 6 to 8 mph. Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 101. West wind 5 to 10 mph becoming south 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. Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. South wind 3 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. Saturday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%. Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%. Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%. Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%. Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%. Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%. Wednesday: Sunny, with a high near 85.

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

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