If you planning to travel to Ota Onsen, 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 10:21 PM. The temperature feels like 23 with a humidity level of 71 so dress accordingly. Cloud coverage is 37 percent with visibility at 6.5 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 11 MPH. At the end of the day don’t miss the sunset at 8:21 AM.