The temperature in the city hit a record high of 70 degrees on Monday and shattered a half-century record, according to the National Weather Service in Seattle.
The old record was 64, set back in 1965.
The high was measured at 3:38 p.m. Monday at Bellingham International Airport.
It was warm elsewhere in Whatcom County as well, with temperatures hitting 75 near Nugents Corner and Deming.
Rain and cooler temperatures, with highs in the 50s, are in the forecast for Bellingham in the next few days.
You won’t see a bright day until Friday, when it’s expected to be mostly sunny in Bellingham with a high near 52, according to the National Weather Service.