Extended Forecast for Myrtle Beach, SC
Extended Forecast for Myrtle Beach, SC
Tuesday
Variable clouds with scattered thunderstorms. High 79F. Winds S at 5 to 10 mph. Chance of rain 40%.
Tuesday night
Isolated thunderstorms early, then partly cloudy after midnight. Low 69F. Winds S at 5 to 10 mph. Chance of rain 30%.
Wednesday
Partly cloudy early. Scattered thunderstorms developing in the afternoon. High 79F. Winds SSE at 10 to 20 mph. Chance of rain 40%.
Wednesday night
Scattered showers and thunderstorms, especially before midnight. Low around 70F. Winds SSE at 10 to 15 mph. Chance of rain 40%.
Thursday
Scattered thunderstorms possible. Highs in the upper 70s and lows in the upper 60s.
Friday
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
Saturday
Mix of sun and clouds. Highs in the mid 70s and lows in the low 60s.
Sunday
Times of sun and clouds. Highs in the upper 70s and lows in the mid 60s.
Monday
Mix of sun and clouds. Highs in the upper 70s and lows in the mid 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 |
