If you planning to travel to McCarthy's Marina, Captiva, Florida, 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 12:12 PM. The temperature feels like 59.2 with a humidity level of 73 so dress accordingly. Cloud coverage is 13 percent with visibility at 13.7 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 13 MPH. At the end of the day don’t miss the sunset at 10:42 PM.