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.
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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.