Washington Weather Today

Washington County is located in the US state of Oregon. It is bordered by Clackamas County to the north, Multnomah County to the northeast, and Columbia County to the southeast. The climate in Washington County is classified as warm-summer Mediterranean, with warm, dry summers and mild, wet winters. Summer temperatures typically range from the mid-50s to the mid-80s with occasional temperatures reaching into the 90s. Winter temperatures generally stay between the mid-30s and mid-50s. Rainfall is typically spread out throughout the year, with the highest amounts falling in autumn and winter. Snowfall is rare, with the most significant amounts occurring in the Cascade Mountains.