PADD 5 diesel price (West Coast) in May 2026
4 official EIA weekly readings
- The average PADD 5 (West Coast) on-highway diesel price in May 2026 was $6.554 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $6.500; the weekly high was $6.631.
- That monthly average was $0.170 lower than April 2026.
- It was $2.314 higher than May 2025.
This is a calendar-month view of the official EIA weekly West Coast series. It averages only the source weeks listed below, not a separate government monthly estimate.
May 2026 weekly chart
Every EIA week in May 2026
| Week of | $/gal | Change |
|---|---|---|
| $6.631 | ▲+$0.101 | |
| $6.562 | ▼−$0.069 | |
| $6.524 | ▼−$0.038 | |
| $6.500 | ▼−$0.024 |
← April 2026 · June 2026 → · all of 2026 · all West Coast history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.