If you planning to travel to Mount Katahdin, Maine, 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 11:45 AM. The temperature feels like 18.2 with a humidity level of 93 so dress accordingly. Cloud coverage is 83 percent with visibility at 2.1 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 23 MPH. At the end of the day don’t miss the sunset at 8:57 PM.