PADD 4 diesel price (Rocky Mountain) in July 2026
4 official EIA weekly readings
- The average PADD 4 (Rocky Mountain) on-highway diesel price in July 2026 was $4.790 per gallon, calculated from 4 EIA weekly readings.
- The weekly low was $4.484; the weekly high was $5.141.
- That monthly average was $0.199 lower than June 2026.
- It was $1.058 higher than July 2025.
This is a calendar-month view of the official EIA weekly Rocky Mountain series. It averages only the source weeks listed below, not a separate government monthly estimate.
July 2026 weekly chart
Every EIA week in July 2026
| Week of | $/gal | Change |
|---|---|---|
| $4.484 | ▼−$0.118 | |
| $4.600 | ▲+$0.116 | |
| $4.935 | ▲+$0.335 | |
| $5.141 | ▲+$0.206 |
← June 2026 · August 2026 → · all of 2026 · all Rocky Mountain history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.