How gas prices have changed in Washington in the last week
compiled statistics on gas prices in Washington using data from . Gas prices are as of May 15.
Washington by the numbers
- Gas current price: $5.78
- Week change: +$0.01 (+0.2%)
- Year change: +$1.44 (+33.3%)
- Historical expensive gas price: $5.78 (5/15/26)
- Diesel current price: $6.81
- Week change: -$0.03 (-0.5%)
- Year change: +$2.28 (+50.3%)
- Historical expensive diesel price: $6.96 (4/10/26)
Metros with most expensive gas in Washington
#1. Seattle-Bellevue-Everett: $5.97
#2. Bremerton: $5.88
#3. Tacoma: $5.87
#4. Olympia: $5.82
#5. Longview: $5.76
#6. Vancouver: $5.75
#7. Bellingham: $5.73
#8. Mount Vernon-Anacortes: $5.66
#9. Wenatchee: $5.62
#10. Walla Walla: $5.54
#11. Yakima: $5.53
#12. Richland-Kennewick-Pasco: $5.44
#13. Spokane: $5.39
#14. Clarkson: $5.25
States with the least expensive gas
#1. Texas: $4.00
#2. Mississippi: $4.00
#3. Louisiana: $4.01
#4. Georgia: $4.02
#5. Oklahoma: $4.02
Read on to see which states have the most expensive gas prices.
