Myrtle Beach, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Myrtle Beach, a city in Horry County, South Carolina.
Tonight
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 9pm and 4am. Partly cloudy, with a low around 72. West wind 3 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Myrtle Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 17% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph NE | 60% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 5 mph NE | 51% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 31% |
| Sunday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 31% |
| Monday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph NE | 15% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph E | 50% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 65% |
| Tuesday Night | 71°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 65% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 15 mph NE | 43% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 13 to 16 mph NE | 43% |
| Thursday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 16 mph N | 21% |
| Thursday Night | 67°F | Slight Chance Showers And Thunderstorms | 14 mph NE | 21% |
| Friday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for Myrtle Beach (33.710, -78.886). Updated through the day.
Growing snapshot for Myrtle Beach
Last spring frost
Mar 21
First fall frost
Nov 13
Growing season
239 days
Hardiness zone
8b
More local growing data for Myrtle Beach: nearby ZIP 29577 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Myrtle Beach, Sc (6.2 mi from Myrtle Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.