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MYRTLEBEACH 7 Day Forecast

NWS Forecast for: Myrtle Beach SC
Issued by: National Weather Service Wilmington, NC
Last Update: 6:23 am EDT Aug 18, 2026		Print

Today

Today: Sunny, with a high near 94. Heat index values as high as 113. West wind around 7 mph becoming south in the afternoon.

High: 94 °F

Sunny



Tonight

Tonight: Mostly clear, with a low around 79. South wind around 6 mph becoming calm in the evening.

Low: 79 °F

Mostly Clear



Wednesday

Wednesday: Mostly sunny, with a high near 91. Heat index values as high as 109. Calm wind becoming southeast 5 to 8 mph in the morning.

High: 91 °F

Mostly Sunny



Wednesday
Night

Wednesday Night: Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.

Low: 79 °F

Mostly Clear



Thursday

Thursday: Sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning.

High: 91 °F

Sunny



Thursday
Night

Thursday Night: Mostly clear, with a low around 79.

Low: 79 °F

Mostly Clear



Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

High: 90 °F

Sunny then
Chance
T-storms

Friday
Night

Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 50%.

Low: 78 °F

Chance
T-storms


Saturday

Saturday: A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

High: 88 °F

Chance
T-storms then
Showers
Likely




Today: Sunny, with a high near 94. Heat index values as high as 113. West wind around 7 mph becoming south in the afternoon.

Tonight: Mostly clear, with a low around 79. South wind around 6 mph becoming calm in the evening.

Wednesday: Mostly sunny, with a high near 91. Heat index values as high as 109. Calm wind becoming southeast 5 to 8 mph in the morning.

Wednesday Night: Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm in the evening.

Thursday: Sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning.

Thursday Night: Mostly clear, with a low around 79.

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 50%.

Saturday: A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

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

Monday: Sunny, with a high near 88.


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

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