Costco Gas Prices in Oconomowoc, Wisconsin
Oconomowoc · Warehouse #1803
1855 KIRKLAND WAY, Oconomowoc, Wisconsin 53066-4457
Prices updated: August 13, 2026 at 12:00 PM
Regular
$3.539
PRICE PER GALLON
Press
Premium
$4.539
PRICE PER GALLON
Press
Current gas prices at Costco #1803
This Costco gas station is located at 1855 KIRKLAND WAY in Oconomowoc, Wisconsin. The latest reported fuel prices are regular at $3.539/gal, premium at $4.539/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
$3.539−0.460 (11.5%)
Premium
$4.539−1.460 (24.3%)
DateRegPrem
Aug 13, 12:00 PM$3.539$4.539
Aug 12, 4:00 PM$3.549$4.549
Aug 12, 3:00 AM$3.549—
Aug 12, 2:00 AM$3.549$4.549
Aug 11, 3:00 PM$3.549$4.579
Aug 10, 6:00 PM—$4.579
Aug 10, 5:00 PM$3.549$4.579
Aug 7, 12:00 PM$3.849$4.779
Aug 6, 4:00 PM$3.899$4.829
Aug 3, 4:00 PM$3.599$4.599
Jul 31, 4:00 PM$3.799$4.739
Jul 30, 4:00 PM$3.599$4.599
Jul 28, 5:00 PM$3.659$4.659
Jul 27, 3:00 PM$3.799$4.759
Jul 25, 4:00 PM$3.799$4.779
Jul 24, 3:00 PM$3.699$4.599
Jul 23, 6:00 PM—$4.599
Jul 23, 5:00 PM$3.699$4.599
Jul 22, 1:00 PM$3.999$5.999
Jul 20, 1:00 PM—$5.999
Jul 20, 12:00 PM$3.999$5.999
Jul 20, 6:00 AM—$5.999
Jul 20, 5:00 AM$3.999$5.999
Jul 19, 12:00 AM—$5.999
Jul 18, 11:00 PM$3.999$5.999
Jul 15, 4:00 AM—$5.999
Jul 15, 3:00 AM$3.999$5.999