If you planning to travel to Muro Saisei Memorial Hall, Karuizawa, 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 7:32 PM. The temperature feels like 62.35 with a humidity level of 86 so dress accordingly. Cloud coverage is 71 percent with visibility at 6 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 9:53 AM.