If you planning to travel to Mammoth Cave National Park, Kentucky, 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 12:53 PM. The temperature feels like 29.65 with a humidity level of 63 so dress accordingly. Cloud coverage is 3 percent with visibility at 12.8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 2 MPH. At the end of the day don’t miss the sunset at 10:32 PM.