If you planning to travel to Niji-no-Matsubara, Karatsu, 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 9:17 PM. The temperature feels like 64.15 with a humidity level of 64 so dress accordingly. Cloud coverage is 0 percent with visibility at 13.4 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 10 MPH. At the end of the day don’t miss the sunset at 9:35 AM.