Extended Forecast for Myrtle Beach, SC
Extended Forecast for Myrtle Beach, SC
Sunday night
Scattered thunderstorms. Low 69F. Winds S at 5 to 10 mph. Chance of rain 40%.
Monday
Scattered thunderstorms. High 76F. Winds S at 10 to 15 mph. Chance of rain 50%.
Monday night
Isolated thunderstorms in the evening, mainly cloudy overnight with a few showers. Low 68F. Winds SSW at 5 to 10 mph. Chance of rain 30%.
Tuesday
A few showers early with isolated thunderstorms developing later in the day. High near 80F. Winds SSW at 10 to 15 mph. Chance of rain 30%.
Tuesday
A few thunderstorms possible. Highs in the low 80s and lows in the upper 60s.
Wednesday
Partly cloudy with a stray thunderstorm. Highs in the upper 70s and lows in the low 70s.
Thursday
Scattered thunderstorms. Highs in the upper 70s and lows in the upper 60s.
Friday
Scattered thunderstorms. Highs in the low 80s and lows in the mid 60s.
Saturday
Slight chance of a thunderstorm. 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 |
