If you planning to travel to Merritt Island, FL, United States (COI), 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 11:12 AM. The temperature feels like 85.45 with a humidity level of 83 so dress accordingly. Cloud coverage is 50 percent with visibility at 10.4 percent. Today’s UV index is 7, 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 11:12 PM.