Umatilla Weather Today

Umatilla County is a county in the U.S. state of Oregon. It has a population of approximately 76,000 people and is located in the southeastern part of the state, bordering Washington and Idaho. The county seat is Pendleton. The climate in Umatilla County is semi-arid, with hot summers and cold winters. Average temperatures range from highs in the mid-80s Fahrenheit (29-32°C) in July and August to lows in the mid-20s Fahrenheit (-3 to -6°C) during the winter months. Additionally, Umatilla County has an average of 8-10 inches (20-25 cm) of precipitation per year, with more during the winter months.