If you planning to travel to Mill Bay Casino, Manson, 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 3:15 PM. The temperature feels like 39.650000000000006 with a humidity level of 90 so dress accordingly. Cloud coverage is 78 percent with visibility at 9.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 2 MPH. At the end of the day don’t miss the sunset at 12:15 AM.