Costco Gas Prices in Sequim, Washington
Sequim · Warehouse #639
955 W WASHINGTON ST, Sequim, Washington 98382-3266
Prices updated: August 13, 2026 at 12:00 PM
Regular
$4.999
PRICE PER GALLON
Press
Premium
$5.599
PRICE PER GALLON
Press
Current gas prices at Costco #639
This Costco gas station is located at 955 W WASHINGTON ST in Sequim, Washington. The latest reported fuel prices are regular at $4.999/gal, premium at $5.599/gal. Prices were last updated on August 13, 2026 at 12:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.999−0.300 (5.7%)
Premium
$5.599−0.200 (3.4%)
DateRegPrem
Aug 13, 12:00 PM$4.999$5.599
Aug 12, 3:00 PM$5.099$5.559
Aug 11, 4:00 PM$5.099$5.599
Aug 8, 11:00 AM—$5.599
Aug 8, 10:00 AM$5.099$5.599
Aug 7, 3:00 PM$5.099$5.659
Aug 6, 3:00 PM$5.099$5.599
Aug 5, 7:00 PM$5.099$5.659
Aug 2, 5:00 PM$5.099$5.699
Jul 31, 10:00 PM$5.439$6.069
Jul 31, 6:00 PM$5.469$6.159
Jul 29, 4:00 PM$5.439$6.159
Jul 28, 6:00 PM$5.439$6.059
Jul 28, 5:00 PM$5.399$6.059
Jul 27, 10:00 PM$5.399$5.999
Jul 25, 4:00 PM$5.369$5.999
Jul 25, 5:00 AM—$5.999
Jul 25, 4:00 AM$5.369$5.999
Jul 24, 10:00 PM$5.369$5.899
Jul 24, 6:00 PM$5.319$5.899
Jul 23, 10:00 PM$5.299$5.899
Jul 23, 9:00 PM$5.299$5.799
Jul 20, 5:00 PM$5.199$5.799
Jul 18, 7:00 PM—$5.799
Jul 18, 6:00 PM$5.199$5.799
Jul 15, 4:00 PM$5.299$5.799