If you planning to travel to Cooper River Marina, North Charleston, 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 11:19 AM. The temperature feels like 60.6 with a humidity level of 55 so dress accordingly. Cloud coverage is 2 percent with visibility at 13.6 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 11:34 PM.