Washington · week of October 26, 2026
Gas prices in Washington
Regular gas in Washington averaged $5.20 a gallon for the week of October 26, 2026. That's +93.4¢ against the national average and −12.9¢ from the week before. Over the past year the change is +95.0¢. Taxes are a big part of the story: Washington's state gas tax and fees total 60.2¢ per gallon (4th of 51, highest first), and diesel carries 63.2¢. Since January 2015, the gasoline rate has moved +22.6¢.
state survey
$5.203
EIA weekly survey
$5.203state survey
−12.9¢change in a week
+95.0¢change in a year
$6.614diesel
60.2¢state gas tax + fees
78.6¢state + federal tax
4th / 51rank for gas tax
The quick take
Crossing a state line can change the tax you pay: next door to Washington, rates run from 33.0¢ in Idaho to 40.0¢ in Oregon.
Regular gas, weekly average · Washington
November 4, 2024: $3.871 · October 26, 2026: $5.203 · min $3.645 · max $5.595
The state's gas tax since 2015
| Rate as of | Gasoline | Diesel |
|---|---|---|
| Jul 2026 | 60.2¢ | 63.2¢ |
| Jan 2026 | 59.0¢ | 62.0¢ |
| Jul 2025 | 59.0¢ | 62.0¢ |
| Jan 2025 | 52.8¢ | 52.8¢ |
| Jul 2024 | 52.8¢ | 52.8¢ |
| Jan 2024 | 52.8¢ | 52.8¢ |
| Jul 2023 | 52.8¢ | 52.8¢ |
| Jan 2023 | 52.4¢ | 52.4¢ |
| Jul 2022 | 52.4¢ | 52.4¢ |
| Jan 2022 | 52.2¢ | 52.2¢ |
| Jul 2021 | 52.2¢ | 52.2¢ |
| Jul 2020 | 52.2¢ | 52.2¢ |
| Jan 2020 | 52.1¢ | 52.1¢ |
| Jul 2019 | 52.1¢ | 52.1¢ |
| Jan 2019 | 49.5¢ | 49.5¢ |
| Jul 2018 | 49.5¢ | 49.5¢ |
| Jan 2018 | 49.5¢ | 49.5¢ |
| Jul 2017 | 49.5¢ | 49.5¢ |
| Jan 2017 | 49.5¢ | 49.5¢ |
| Jul 2016 | 49.5¢ | 49.5¢ |
| Jan 2016 | 44.6¢ | 44.6¢ |
| Jul 2015 | 37.6¢ | 37.6¢ |
| Jan 2015 | 37.6¢ | 37.6¢ |
Neighboring states
Map
$3.702$4.285$4.868
Regular gas
Region: West Coast · Gas tax by state · Diesel prices · U.S. average