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

83°F

28°C

Humidity 72%
Wind Speed Vrbl 6 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Sep 2:53 pm EDT
Extended Forecast for

Myrtle Beach SC

  • This Afternoon

    This Afternoon: A slight chance of showers. Partly sunny, with a high near 81. East wind around 9 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 74. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northeast wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 81. East wind around 9 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 83. Calm wind becoming southeast 5 to 9 mph in the morning.
Monday Night
A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 74. East wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northeast wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 64. Breezy.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Myrtle Beach SC
 33.69°N 78.88°W (Elev. 0 ft)
Last Update:
3:02 pm EDT Sep 20, 2026
Forecast Valid:
3pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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