If you planning to travel to Mount Kusatsu-Shirane, Tsumagoi, Japan, 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 10:01 PM. The temperature feels like 14.2 with a humidity level of 71 so dress accordingly. Cloud coverage is 5 percent with visibility at 10.3 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 7:54 AM.