If you planning to travel to Myrtle Beach State Park, 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 10:16 AM. The temperature feels like 69.35 with a humidity level of 80 so dress accordingly. Cloud coverage is 44 percent with visibility at 13 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 12:08 AM.