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MYRTLEBEACH 7 Day Forecast

NWS Forecast for: Myrtle Beach SC
Issued by: National Weather Service Wilmington, NC
Last Update: 6:02 am EDT Jul 21, 2026		Print

Today

Today: A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 90. Heat index values as high as 104. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 90 °F

Chance
T-storms and
Breezy

Tonight

Tonight: Partly cloudy, with a low around 82. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 28 mph.

Low: 82 °F

Partly Cloudy
and Breezy
then Mostly
Cloudy

Wednesday

Wednesday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 104. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

High: 90 °F

Slight Chance
T-storms and
Breezy

Wednesday
Night

Wednesday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 80. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 80 °F

Chance
T-storms


Thursday

Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Southwest wind 9 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

High: 89 °F

T-storms
Likely


Thursday
Night

Thursday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Low: 76 °F

T-storms
Likely then
Showers
Likely

Friday

Friday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

High: 86 °F

Showers
Likely then
T-storms
Likely

Friday
Night

Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

Low: 76 °F

T-storms
Likely


Saturday

Saturday: A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

High: 84 °F

T-storms
Likely





Today: A chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 90. Heat index values as high as 104. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Partly cloudy, with a low around 82. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 28 mph.

Wednesday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 104. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Wednesday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 80. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Southwest wind 9 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Friday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

Saturday: A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.

Sunday: Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

Sunday Night: Showers likely. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

Monday: Mostly sunny, with a high near 88.


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

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