If you planning to travel to Sand Island Petroglyphs, Bluff, Utah, 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 2:00 PM. The temperature feels like 37.65 with a humidity level of 50 so dress accordingly. Cloud coverage is 7 percent with visibility at 14.7 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:05 AM.