Inland Whatcom County high temperatures expected to reach 80 degrees in some areas

WHATCOM COUNTY, Wash. — The region is entering a brief warm spell. Temperatures will peak Sunday and Monday as an inland ridge of high-pressure builds.

Seasonal high temperatures at the Bellingham International Airport are around 60° at this time of the year.

Location	Sunday (May 3)	Monday (May 4)	Tuesday (May 5)
Bellingham	78°	70°	68°
Lummi Island	68°	64°	62°
Sandy Point	73°	74°	68°
Birch Bay	76°	75°	68°
Blaine	75°	75°	68°
Point Roberts	64°	66°	61°
Ferndale	79°	78°	70°
Laurel	81°	79°	71°
Lynden	82°	80°	73°
Sumas	83°	80°	72°
Everson / Nooksack	85°	84°	74°
Maple Falls	84°	84°	74°
Glacier	80°	81°	74°
Deming	83°	83°	73°
Acme	81°	81°	71°
Sudden Valley	77°	77°	69°

meteoblue high temperature forecast as of April 30, 2026

A maritime push is expected late Monday night into Tuesday, which will drop temperatures by 5° to 8° in areas across the county.

Whatcom News readers are encouraged to stay up to date with current weather alerts and forecasts and air quality readings for their specific Whatcom County locations along with tide tables via the Whatcom News Weather page.