If you planning to travel to Squak Mountain State Park, Issaquah, 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 3:04 PM. The temperature feels like 50.349999999999994 with a humidity level of 86 so dress accordingly. Cloud coverage is 90 percent with visibility at 11.6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 12:38 AM.