Traveling to Key Arena, Seattle, Washington? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 3:39 PM and don’t miss the sunset at 12:20 AM. Today’s winds are traveling east-southeast at a speed of 6 MPH. The temperature feels like 33 with a humidity level of 82. Cloud coverage is 48 percent with 10.6 percent visibility. Today’s UV index is 2 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.