If you planning to travel to Joshinetsu Kogen National Park, Nagano, 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 9:17 PM. The temperature feels like 44.150000000000006 with a humidity level of 82 so dress accordingly. Cloud coverage is 63 percent with visibility at 4.2 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 7:49 AM.