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Gas prices in Washington
Regular gas in Washington averages $5.203/gal (week of Oct 26, 2026), $0.934 above the national average. Stations price differently — calculate what your trip or fill-up will cost.
Regular
a week ago $5.332
$5.203 ▼ 2.4%Midgrade
a week ago $5.680
$5.503 ▼ 3.1%Premium
a week ago $5.891
$5.747 ▼ 2.4%
Trip & fill-up cost calculator
Regular gas, last 6 weeks
Oct 26, 2026$5.203
Oct 19, 2026$5.332
Oct 12, 2026$5.377
Oct 5, 2026$5.424
Sep 28, 2026$5.453
Sep 21, 2026$5.516
Questions & answers
How much is gas in Washington this week?
Regular gasoline averages $5.203 per gallon in Washington for the week of Oct 26, 2026, according to the U.S. Energy Information Administration.
Is gas in Washington cheaper than the national average?
Washington is $0.934 per gallon more expensive than the U.S. average of $4.269.
Will a gas station charge exactly this price?
No. This is a weekly average across stations. Individual stations set their own prices, so use the calculator with the price you see at the pump.
Source: U.S. Energy Information Administration (EIA), Weekly Retail Gasoline and Diesel Prices. Updated automatically.
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