If you planning to travel to Cayman Islands National Museum, George Town, Grand Cayman, Cayman Islands, 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 11:32 AM. The temperature feels like 84.15 with a humidity level of 81 so dress accordingly. Cloud coverage is 5 percent with visibility at 14 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:45 PM.