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 11:48 AM. The temperature feels like 55.75 with a humidity level of 74 so dress accordingly. Cloud coverage is 3 percent with visibility at 13.3 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:12 PM.