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The Weekly Gas Pain Index

Washington Gas Pain — Week of 2026-05-18 (+0.0% WoW)

Washington drivers paid $5.59/gal this week (+0.0% vs prior week, +24.5% vs national). Ranked #7 of 50.

Washington Gas Pain — Week of 2026-05-18

Source: EIA PADD regional average. Reported 2026-05-20T01:04:28.688Z.

Drivers in Washington are paying $5.59/gal — that’s ranked #7 of 50 states.

Week-over-week

This week vs prior week: +0.00% (+$0.00/gal).

Washington prices were nearly flat WoW. Steady-state pricing typically reflects stable regional supply + demand.

Vs national average

National average this week: $4.49/gal. Washington is +24.5% vs that benchmark.

What a fill-up costs

At $5.59/gal:

  • 15-gal tank: $83.87
  • 20-gal tank: $111.82
  • 100-mile drive in a 25 MPG car: $22.36

Compare across all 50 states

See the full state-by-state ranking →

Use the Gas Pain Calculator to see your own fill-up cost based on your ZIP and vehicle.


Methodology: weekly EIA PADD averages, mapped to state via U.S. Census state→PADD lookup. Crowdsource data (where available) layers on top via the per-ZIP local report.

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