If you planning to travel to Saint Joseph's Mission at Ahtanum, Yakima, 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 3:45 PM. The temperature feels like 32.45 with a humidity level of 98 so dress accordingly. Cloud coverage is 81 percent with visibility at 6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:20 AM.