If you planning to travel to Pearrygin Lake State Park, Winthrop, 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 3:10 PM. The temperature feels like 26 with a humidity level of 77 so dress accordingly. Cloud coverage is 76 percent with visibility at 12.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:19 AM.