Whatcom Weather Today

Whatcom County is a county located in the U.S. state of Washington. It is located in the northwest corner of the state and is bordered by British Columbia, Canada, to the north. The county seat and largest city is Bellingham. The climate in Whatcom County is classified as a humid temperate climate. Summers are mild with temperatures in the mid-70s Fahrenheit (mid-20s Celsius). Winter temperatures average in the mid-40s Fahrenheit (4-7 Celsius). The area receives an average of 36 inches (91 cm) of rain per year, spread out over 158 days with measurable precipitation. Snowfall is rare, with a yearly average of 6 inches (15 cm).