Diesel price in August 2026
U.S. EIA weekly diesel averaged $5.462/gal over 5 readings
- The average U.S. on-highway diesel price in August 2026 was $5.462 per gallon, calculated from 5 EIA weekly readings.
- The weekly low was $5.257; the weekly high was $5.652.
- That monthly average was $0.507 higher than July 2026.
- It was $1.718 higher than August 2025.
This page is a simple calendar-month view of the official EIA weekly U.S. on-highway diesel series: it averages the survey weeks listed below. It is not a separate government monthly series, and no missing weeks are estimated.
August 2026 weekly chart
Every EIA week in August 2026
| Week of | $/gal | Change |
|---|---|---|
| $5.348 | ▲+$0.035 | |
| $5.257 | ▼−$0.091 | |
| $5.454 | ▲+$0.197 | |
| $5.652 | ▲+$0.198 | |
| $5.599 | ▼−$0.053 |
← July 2026 · September 2026 → · all of 2026 · all months and years · monthly CSV
The source series is the EIA weekly U.S. on-highway diesel price, published by survey Monday. See the methodology and download the underlying weekly CSV.