Washington Gas Prices Dropped Slightly Last Week
Drivers in Washington saw regular gasoline prices dip by 4 cents, though costs remain well above the national average.
Updated on Sept. 29, 2026 in Inflation
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The statewide average for regular unleaded gasoline in Washington fell to $5.53 per gallon as of September 28, 2026. Despite this slight decrease, fuel costs across the state remain significantly elevated compared to the national average of $4.48 per gallon.
Why it matters
While a slight dip in prices provides modest relief for household fuel budgets, Washington motorists continue to face costs $1.05 higher than the national average due to persistent regional supply disruptions. These elevated prices underscore the ongoing vulnerability of West Coast fuel markets to refinery issues.
Washington residents are paying an average of $5.53 for a gallon of regular unleaded, down from $5.57 last week but up 21% from last September. Diesel prices also dipped to $7.42, remaining near the record high of $7.47 established on September 23, 2026.
The details
Fuel prices in Washington are influenced heavily by local refinery disruptions that limit supply on the West Coast. These operational challenges create divergent pricing trends compared to the rest of the nation, where costs have generally moderated. Household budgets in the region remain squeezed as these refinery issues continue to exert upward pressure on costs at the pump.
Timeline
January 5, 2026: Statewide gas prices averaged $3.84 per gallon.
May 20, 2026: Regular unleaded reached an all-time record of $5.79 per gallon.
September 23, 2026: Diesel prices hit a record high of $7.47 per gallon.
September 28, 2026: The statewide average for regular gas stood at $5.53 per gallon.
Money Landscape
Current Washington fuel prices are in a holding pattern following the record high of $5.79 per gallon observed on May 20, 2026. The state's market continues to diverge from national trends, with regional supply constraints keeping costs near historic peaks.
Households should continue to account for high fuel spending in their monthly budgets as costs remain significantly above national levels. Consult a financial professional to discuss how persistent volatility in utility and transport expenses affects your long-term savings goals.
The takeaway
While prices have nudged downward, Washington fuel costs remain historically elevated due to specific West Coast supply factors. It is a good time to review your transportation budget and check your local station prices regularly to identify potential savings as market conditions fluctuate.
What happens next
Drivers should monitor fuel markets throughout October 2026 for potential shifts caused by ongoing regional refinery instability.
Further reading
For more information on current price trends, visit the Inflation section.
Live Poll
Do you feel that fuel costs for your household are finally trending in the right direction?
