If you planning to travel to National Astronomical Observatory of Japan, Mitaka, 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 8:02 PM. The temperature feels like 85.65 with a humidity level of 61 so dress accordingly. Cloud coverage is 72 percent with visibility at 14 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 5 MPH. At the end of the day don’t miss the sunset at 9:23 AM.