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 9:55 PM. The temperature feels like 15.899999999999999 with a humidity level of 80 so dress accordingly. Cloud coverage is 37 percent with visibility at 3 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 8:09 AM.