Current conditions at

Myrtle Beach International Airport (KMYR)

Lat: 33.68°NLon: 78.93°WElev: 25ft.

Fair

90°F

32°C

Humidity 73%
Wind Speed SE 9 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 20 Aug 1:53 pm EDT
Extended Forecast for

Surfside Beach SC

Heat Advisory until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southwest wind 5 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Heat index values as high as 109. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 76. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 88. Southwest wind 5 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am.  Low around 74. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Heat index values as high as 108. Southeast wind around 9 mph.
Tonight
Mostly clear, with a low around 78. Southwest wind 5 to 7 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 109. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 76. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 74. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Surfside Beach SC
 33.63°N 78.97°W (Elev. 26 ft)
3:02 pm EDT Aug 20, 2026
3pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026
 
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Additional Resources

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