If you planning to travel to Sun Lakes State Park, Coulee City, 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 1:58 PM. The temperature feels like 44.599999999999994 with a humidity level of 54 so dress accordingly. Cloud coverage is 29 percent with visibility at 10.1 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 2:12 AM.