FuelCastWill diesel prices go up next week in Hawaii?
Diesel prices in Hawaii are likely to rise in the week to Monday, October 19. The West Coast except California regional average, which includes Hawaii, is $6.503 per gallon (EIA, week of Oct 12, 2026).
Running a truck or a fleet, the timing of a fill-up matters: fill up right before a jump and every tank costs more. Here is where diesel in Hawaii stands and which way it is heading next week.
Diesel prices in Hawaii this week
| Fuel | Average price | Change vs last week | Next week |
|---|---|---|---|
| Diesel · West Coast except California avg. | $6.503/gal week of Oct 12, 2026 | +1.3¢ | Likely to rise (weaker signal here) |
| Regular gasoline · West Coast except California avg. | $5.071/gal week of Oct 12, 2026 | -4.5¢ | Likely to fall |
The EIA does not publish a separate weekly diesel average for Hawaii, so this page uses the West Coast except California regional average, which includes Hawaii.
Weekly averages are published by the EIA, usually on Mondays. The next one is due Monday, October 19.
Know before you fill up
FuelCast shows whether prices near you are likely to rise or fall, the cheapest stations around you and the best day to fill up, with an alert when it matters.
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Questions
Will diesel prices go up next week in Hawaii?
Diesel prices in Hawaii are likely to rise in the week to Monday, October 19.
What is the average diesel price in Hawaii right now?
$6.503 per gallon (West Coast except California average) in the EIA weekly survey for the week of Oct 12, 2026.
When are new diesel price averages published?
The U.S. Energy Information Administration publishes weekly retail averages, usually on Monday afternoons. FuelCast updates its outlook after each release.
Source: U.S. Energy Information Administration (EIA), Weekly Retail Gasoline and Diesel Prices · Public domain (U.S. Government work)