If you planning to travel to Futamata Castle, Hamamatsu, 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 42.2 with a humidity level of 56 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 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 10 MPH. At the end of the day don’t miss the sunset at 7:44 AM.