National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Myrtle Beach International Airport (KMYR)

Lat: 33.68°NLon: 78.93°WElev: 25ft.

Fair

76°F

24°C

Humidity 94%
Wind Speed E 9 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 22 Aug 12:53 am EDT
Extended Forecast for

Myrtle Beach SC

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. South wind 6 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 76. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

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

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. South wind 6 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 76. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Myrtle Beach SC
 33.69°N 78.88°W (Elev. 0 ft)
Last Update:
6:03 pm EDT Aug 21, 2026
Forecast Valid:
1am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation