If you planning to travel to Seattle, WA, United States (BFI-Boeing Field), 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 1:50 PM. The temperature feels like 62.55 with a humidity level of 63 so dress accordingly. Cloud coverage is 95 percent with visibility at 11.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 2:17 AM.