Traveling to Mount St. Helens, Washington? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 3:25 PM and don’t miss the sunset at 12:26 AM. Today’s winds are traveling west-northwest at a speed of 5 MPH. The temperature feels like 19 with a humidity level of 83. Cloud coverage is 49 percent with 8.2 percent visibility. Today’s UV index is 2 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.