Washington State gas prices today
Gasoline $4.874/gal in Washington State. Price history since 2003, changes and fuel cost calculator.
$4.874/gal · Gasoline
1 week-4.3%
1 month-10.1%
1 year+16.8%
Gasoline$4.874/gal
Diesel–
Price history
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When comparing, prices are converted to USD per liter at today’s exchange rate.
Fuel cost calculator
Fuel cost–
Round trip–
Fuel needed–
Recent prices
| Date | Gasoline | Diesel |
|---|---|---|
| Nov 9, 2026 | $4.874 | – |
| Nov 2, 2026 | $5.095 | – |
| 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 | – |
| Sep 14, 2026 | $5.503 | – |
| Sep 7, 2026 | $5.483 | – |
U.S. prices are weekly retail averages (regular gasoline, on-highway diesel) from the U.S. Energy Information Administration, in dollars per gallon. Converted at today’s exchange rate.