Gas prices in Washington today
The latest reported regular gas average in Washington is $5.31 per gallon, with diesel at $7.26/gal. Prices include taxes. Compare fuel grades, recent changes and local metro averages below; individual pump prices vary.
Washington gas price trends
Regular, AAA daily state averages, as of 2026-10-26
A 15-US-gallon fill of regular gasoline in Washington costs about $79.58 at the state average reported on 2026-10-26, $1.23 less than on 2026-10-19.
The comparison holds the amount of fuel constant, so it shows what the price change means for your bill. For a road trip, use the averages to set a budget and check actual pump prices before choosing a stop.
- vs yesterday
- no change Washington regular 0.0%
- $5.31 on 2026-10-25 → $5.31
- $0.01 less per 15-gallon fill
- vs a week ago
- down Washington regular 1.5%
- $5.39 on 2026-10-19 → $5.31
- $1.23 less per 15-gallon fill
- vs a month ago
- down Washington regular 4.3%
- $5.54 → $5.31
- $3.58 less per 15-gallon fill
- vs a year ago
- up Washington regular 22.1%
- $4.35 → $5.31
- $14.39 more per 15-gallon fill
Cost for 15 US gallons of regular gasoline · USD
- Reported 2026-10-26
- USD 79.58
- Week ago (2026-10-19)
- USD 80.81
- Month ago
- USD 83.16
- Year ago
- USD 65.19
FuelWide calculation: each AAA regular state average × the selected US gallons, rounded to cents. Observations as of 2026-10-26; month-ago and year-ago are AAA's comparison labels. Station prices vary.
Check the AAA source for Washington
| Period | regular | midgrade | premium | diesel |
|---|---|---|---|---|
| Reported 2026-10-26 | $5.31 | $5.56 | $5.81 | $7.26 |
| Yesterday (2026-10-25) | $5.31 | $5.57 | $5.83 | $7.29 |
| Week ago (2026-10-19) | $5.39 | $5.66 | $5.91 | $7.29 |
| Month ago | $5.54 | $5.81 | $6.07 | $7.46 |
| Year ago | $4.35 | $4.63 | $4.88 | $4.99 |
Washington gas price history since 2003 — every week, charted →
Washington diesel prices
Diesel averages $7.26 per gallon in Washington, according to AAA on 2026-10-26. That is $0.92/gal above the unweighted mean of AAA’s 51 diesel averages for states and DC. A 30-gallon fill costs about $217.92.
Washington diesel prices by city, with the weekly and yearly change and the diesel tax →
Lowest reported metro diesel averages in Washington
- Clarkson$6.90/gal
- Bellingham$6.97/gal
- Vancouver$7.07/gal
- Yakima$7.08/gal
- Mount Vernon-Anacortes$7.10/gal
AAA metro averages as of 2026-10-26. Area averages, not individual station prices. Compare all local areas →
Gas stations in Washington
Stations color-coded by brand — the panel ranks the providers and you can filter to one brand. Move the map anywhere in Washington and press “Search this area”.
Locations onlyNo public station-price feed exists here, so pins show locations, brands and directions only. Prices on this page are area averages. Locations come from OpenStreetMap, a volunteer-edited map, so a new or rebranded station can be missing until someone updates it.
Explore stations, fuel options and directions.
a gallon more for premium than regular in Washington. How that compares with every other state, and whether your car needs it.
- Latest EIA weekly price $5.33/gal (week of 2026-10-19) is 1.2% below its 4-week average
- Sits at 87% of the 52-week range ($3.65–$5.60/gal)
- Regular
- Diesel
Show the data as a table
How Washington moved against every other state this week →
The EIA publishes retail diesel by region rather than by state, so the diesel line is the West Coast (PADD 5) Except California series — the closest official series to Washington. The headline diesel price above is the exact Washington average from AAA.
Washington gas price history since 2003, with yearly averages →
Where gas is cheapest in Washington: prices by metro area
AAA reports separate daily averages for 14 Washington metros — $0.51 a gallon between the cheapest and the dearest.
- 1Clarkson$4.98
- 2Spokane$4.99
- 3Mount Vernon & Anacortes$5.04
- 4Yakima$5.09
- 5Bellingham$5.12
- 6Vancouver$5.12
- 7Richland, Kennewick & Pasco$5.15
- 8Longview$5.16
- 9Wenatchee$5.19
- 10Olympia$5.24
- 11Tacoma$5.33
- 12Walla Walla$5.36
- 13Bremerton$5.40
- 14Seattle, Bellevue & Everett$5.49
AAA metro averages · 2026-10-26
What a tank costs in Washington, and how much of it is tax
- Compact — 12 gal$63.66
- Sedan / crossover — 15 gal$79.57
- SUV — 20 gal$106.10
- Full-size pickup — 26 gal$137.93
Tax is 13% of the pump price in Washington. Pre-tax figure is an estimate — state rates as of 2026-01-01.
Washington compared with neighbouring states
Where the line is worth crossing, and where it is not — each comparison shows how much of the gap is tax rather than the fuel itself.
- North Carolina$3.48
- Georgia$3.65
- Texas$3.71
- South Carolina$3.76
- Louisiana$3.78
- Alabama$3.81
- Tennessee$3.81
- Mississippi$3.83
- Arkansas$3.84
- Delaware$3.90
- Oklahoma$3.91
- Missouri$3.92
- Kansas$3.94
- Maryland$3.97
- Indiana$3.98
- Kentucky$4.03
- Virginia$4.04
- Florida$4.09
- North Dakota$4.10
- Rhode Island$4.15
- New Jersey$4.17
- Iowa$4.18
- Minnesota$4.19
- South Dakota$4.19
- West Virginia$4.19
- New Mexico$4.20
- New Hampshire$4.21
- Massachusetts$4.23
- Connecticut$4.30
- Maine$4.30
- Nebraska$4.30
- Vermont$4.35
- District of Columbia$4.36
- New York$4.38
- Wyoming$4.38
- Montana$4.40
- Ohio$4.40
- Pennsylvania$4.44
- Colorado$4.46
- Arizona$4.51
- Wisconsin$4.52
- Utah$4.64
- Idaho$4.68
- Michigan$4.82
- Alaska$4.84
- Oregon$4.87
- Illinois$4.89
- Nevada$5.30
- Washington$5.31
- Hawaii$5.65
- California$6.02
The answer, in full — and where it comes from
As of 26 October 2026, regular gasoline in Washington averages $5.31/gal, the state average. Source: Daily fuel gauge report, AAA (a third-party aggregator, published daily). Retrieved by FuelWide on 26 October 2026.
Midgrade gasoline in Washington averages $5.56/gal. Premium gasoline in Washington averages $5.81/gal. Diesel in Washington averages $7.26/gal.
- Price:
- $5.31/gal
- Fuel:
- Regular gasoline
- Price basis:
- State average
- Applies to:
- Washington (state level)
- Measured:
- 2026-10-26
- Retrieved:
- 2026-10-26
- Source:
- AAA — a third-party aggregator
Daily fuel gauge report · State and metro averages: AAA · How we measure this
Tools for drivers in Washington
Frequently asked questions
How much is gas in Washington right now?
Regular gasoline in Washington averages $5.31 per gallon today (AAA daily state average). Midgrade is $5.56, premium $5.81 and diesel $7.26.
Is gas in Washington expensive compared to other states?
Washington ranks 49 of 51 states from cheapest to most expensive for regular gas this week.
Is gas in Washington above or below the US average?
Regular in Washington is 23.4% above the unweighted mean of AAA's 51 state averages ($4.30/gal), measured on 2026-10-26. The EIA publishes a separate, volume-weighted national average weekly; the two are different measurements and will not match.
How much is diesel in Washington today?
Diesel averages $7.26 a gallon in Washington today (AAA daily state average), down 0.3% on a week earlier. A 30-gallon pickup fill costs about $217.92.
How have gas prices in Washington changed recently?
Regular gas in Washington is down 1.5% on a week ago, down 4.3% on a month ago, up 22.1% on a year ago, according to AAA's daily state averages.
Where is gas cheapest in Washington?
Among the 14 Washington metro areas AAA reports, Clarkson is cheapest at $4.98 a gallon for regular and Seattle, Bellevue & Everett dearest at $5.49. These are area averages; individual stations vary.
How much tax is on a gallon of diesel in Washington?
$0.77 a gallon — $0.24 federal plus $0.53 in Washington state taxes and fees, the 7 highest of 51 states. That is about 11% of today's pump price of $7.26. Rates as of 2026-01-01.
How much tax is on a gallon of gas in Washington?
$0.71 a gallon — $0.18 federal plus $0.53 in Washington state taxes and fees, the 7 highest of 51 states. That is about 13% of the pump price. Rates as of 2026-01-01.
How much does it cost to fill up in Washington?
At today's average of $5.31 a gallon, a 15-gallon sedan tank costs $79.57 to fill from empty, and a 26-gallon full-size pickup $137.93.
Why this price is what it is
- Premium vs. Regular Gas: Is Premium Actually Worth It?Premium costs more per gallon — but does it help your car? Here's when premium is worth it, when it's wasted money, and what octane really does.
- Fuel Taxes Explained: What You Really Pay Per GallonA big slice of every gallon is tax — but how much, and where does it go? A clear guide to federal, state and European fuel taxes.
- The Best Day and Time to Buy Gas (Backed by Price Data)Studies of billions of transactions point to early in the week as the cheapest time to fill up. Here's the best day, the best time of day, and why it works.