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 11:57 AM. The temperature feels like 83.3 with a humidity level of 80 so dress accordingly. Cloud coverage is 50 percent with visibility at 14 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 16 MPH. At the end of the day don’t miss the sunset at 10:54 PM.