West Coast less California diesel price in March 2026
5 official EIA weekly readings
- The average West Coast less California on-highway diesel price in March 2026 was $5.294 per gallon, calculated from 5 EIA weekly readings.
- The weekly low was $4.138; the weekly high was $6.056.
- That monthly average was $1.301 higher than February 2026.
- It was $1.519 higher than March 2025.
This is a calendar-month view of the official EIA weekly West Coast less California series. It averages only the source weeks listed below, not a separate government monthly estimate.
March 2026 weekly chart
Every EIA week in March 2026
| Week of | $/gal | Change |
|---|---|---|
| $4.138 | ▲+$0.088 | |
| $5.088 | ▲+$0.950 | |
| $5.360 | ▲+$0.272 | |
| $5.826 | ▲+$0.466 | |
| $6.056 | ▲+$0.230 |
← February 2026 · April 2026 → · all of 2026 · all West Coast less California history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.