If you planning to travel to San Juan County Park, Friday Harbor, 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 1:13 PM. The temperature feels like 61.55 with a humidity level of 85 so dress accordingly. Cloud coverage is 60 percent with visibility at 10.1 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 3:16 AM.