PADD 4 diesel price (Rocky Mountain) in June 2026
5 official EIA weekly readings
- The average PADD 4 (Rocky Mountain) on-highway diesel price in June 2026 was $4.989 per gallon, calculated from 5 EIA weekly readings.
- The weekly low was $4.602; the weekly high was $5.331.
- That monthly average was $0.524 lower than May 2026.
- It was $1.423 higher than June 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.
June 2026 weekly chart
Every EIA week in June 2026
| Week of | $/gal | Change |
|---|---|---|
| $5.331 | ▼−$0.162 | |
| $5.200 | ▼−$0.131 | |
| $5.019 | ▼−$0.181 | |
| $4.795 | ▼−$0.224 | |
| $4.602 | ▼−$0.193 |
← May 2026 · July 2026 → · all of 2026 · all Rocky Mountain history · monthly CSV
Download the underlying weekly EIA series or see the methodology and source cross-check.