If you planning to travel to Grand Dunes Golf Course, Myrtle Beach, South Carolina, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:44 AM. The temperature feels like 71.35 with a humidity level of 91 so dress accordingly. Cloud coverage is 53 percent with visibility at 8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:14 PM.