If you planning to travel to Birch Bay Waterslides, Blaine, 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 12:58 PM. The temperature feels like 50.45 with a humidity level of 90 so dress accordingly. Cloud coverage is 93 percent with visibility at 8 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 10 MPH. At the end of the day don’t miss the sunset at 3:18 AM.