West Haven-Sylvan Weather Today

West Haven-Sylvan is a census-designated place located in Washington County, Oregon, United States. It is located just south of Portland, Oregon, and is considered to be part of the Portland metropolitan area. The climate in West Haven-Sylvan is mild and generally pleasant year-round. Summers feature warm, dry days and cool nights, with temperatures typically ranging from the mid-70s to mid-80s Fahrenheit. Winters are typically cool with occasional snowfall and temperatures ranging from the mid-30s to mid-50s Fahrenheit. Spring and fall are usually mild with temperatures ranging from the mid-40s to mid-70s Fahrenheit.