Extended Forecast for the Myrtle Beach Area
Sunday
Scattered showers and thunderstorms. High 77F. Winds SSE at 10 to 15 mph. Chance of rain 60%.
Sunday night
Scattered showers and thunderstorms. Low 69F. Winds S at 10 to 15 mph. Chance of rain 40%.
Monday
Variable clouds with scattered thunderstorms. High near 75F. Winds S at 10 to 15 mph. Chance of rain 50%.
Monday night
Scattered showers and thunderstorms, especially before midnight. Low 68F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Tuesday
Partly cloudy with a stray thunderstorm. Highs in the low 80s and lows in the upper 60s.
Wednesday
Slight chance of a thunderstorm. Highs in the low 80s and lows in the low 70s.
Thursday
A few thunderstorms possible. Highs in the upper 70s and lows in the upper 60s.
Friday
Scattered thunderstorms possible. Highs in the upper 70s and lows in the upper 60s.
Saturday
Isolated thunderstorms. Highs in the upper 70s and lows in the low 60s.
Average Temperatures and Average Monthly Precipitation
| Month | High | Low | Water | Precipitation |
| January | 56° | 37° | 50° | 3.66" |
| February | 60° | 39° | 52° | 3.50" |
| March | 68° | 46° | 57° | 3.79" |
| April | 76° | 53° | 62° | 2.12" |
| May | 83° | 61° | 69° | 2.99" |
| June | 88° | 68° | 77° | 3.66" |
| July | 91° | 72° | 81° | 5.19" |
| August | 89° | 71° | 83° | 5.58" |
| September | 85° | 64° | 80° | 5.58" |
| October | 77° | 54° | 73° | 3.23" |
| November | 69° | 46° | 65° | 2.97" |
| December | 60° | 38° | 55° | 3.45" |
Annual Weather Statistical Averages
| Sunny Days | 215 |
| Overcast Days | 150 |
| Frost Days | 42 |
| Days when maximum temperature is more than 90 degrees | 46 |
| Days with .10 inches of rain or more | 72 |
| Average air temperature | 64° |
| Average water temperature | 66° |
| Average 1 p.m. relative humidity | 57% |
| Number of sunny days during an average summer month | 18 |
| Number of sunny days during an average winter month | 15 |
| Wettest months | July & August |
| Driest months | October & November |
| Hottest day (105°) | Aug. 22, 1983 |
| Coldest day (4°) | Jan. 21,1985 |
