Myrtle Beach, SC Weather & Growing Conditions
Tonight
72°F
Mostly Cloudy
Mostly cloudy, with a low around 72. West wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Cloudy | 2 to 6 mph W | 13% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph NE | 63% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 5 mph NE | 49% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 33% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 31% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph NE | 16% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph E | 50% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 66% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 66% |
| Wednesday | 80°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 42% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 42% |
| Thursday | 79°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 13 to 17 mph N | 20% |
| Thursday Night | 67°F | Slight Chance Showers And Thunderstorms | 12 to 15 mph NE | 20% |
| Friday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 to 15 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Myrtle Beach, SC
Last spring frost
Mar 21
First fall frost
Nov 13
Growing season
239 days
Hardiness zone
8b
Explore more for Myrtle Beach, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Myrtle Beach, Sc (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.