Traveling to Karuizawa New Art Museum, Karuizawa, Japan? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 9:29 PM and don’t miss the sunset at 7:40 AM. Today’s winds are traveling southeast at a speed of 3 MPH. The temperature feels like 54 with a humidity level of 87. Cloud coverage is 34 percent with 6.7 percent visibility. Today’s UV index is 4 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.