If you planning to travel to Angle Lake Park, SeaTac, 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 2:31 PM. The temperature feels like 53.15 with a humidity level of 87 so dress accordingly. Cloud coverage is 92 percent with visibility at 14.3 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 1:17 AM.