If you planning to travel to Grand Central Arcade, Seattle, Washington, 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 3:35 PM. The temperature feels like 52.95 with a humidity level of 90 so dress accordingly. Cloud coverage is 98 percent with visibility at 13.8 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 13 MPH. At the end of the day don’t miss the sunset at 12:21 AM.