Gas in Massachusetts averaged $3.57 in 2026 — $3.47 in today’s money
Average, that year
$3.57
In 2025 dollars
$3.47
The average price of a gallon of regular gasoline in Massachusetts across 2026, shown both as it was at the pump and adjusted for inflation to constant 2025 dollars (CPI-U). Figures for 2026 are year-to-date (24 weeks so far).
Across the year
How Massachusetts prices moved through 2026
Weekly average for regular gasoline. The year’s high was $4.45 the week of May 18, 2026; the low was $2.79 the week of January 26, 2026 — a swing of 59.3%.
View the weekly data (24 weeks)
| Week of | Nominal | 2025 $ |
|---|---|---|
| January 5, 2026 | $2.86 | $2.82 |
| January 12, 2026 | $2.83 | $2.79 |
| January 19, 2026 | $2.81 | $2.77 |
| January 26, 2026 | $2.79 | $2.75 |
| February 2, 2026 | $2.83 | $2.79 |
| February 9, 2026 | $2.85 | $2.80 |
| February 16, 2026 | $2.84 | $2.79 |
| February 23, 2026 | $2.85 | $2.80 |
| March 2, 2026 | $2.90 | $2.82 |
| March 9, 2026 | $3.31 | $3.23 |
| March 16, 2026 | $3.49 | $3.40 |
| March 23, 2026 | $3.69 | $3.60 |
| March 30, 2026 | $3.76 | $3.66 |
| April 6, 2026 | $3.89 | $3.77 |
| April 13, 2026 | $3.91 | $3.79 |
| April 20, 2026 | $3.88 | $3.76 |
| April 27, 2026 | $4.01 | $3.88 |
| May 4, 2026 | $4.34 | $4.19 |
| May 11, 2026 | $4.43 | $4.27 |
| May 18, 2026 | $4.45 | $4.29 |
| May 25, 2026 | $4.42 | $4.26 |
| June 1, 2026 | $4.34 | $4.19 |
| June 8, 2026 | $4.20 | $4.04 |
| June 15, 2026 | $4.07 | $3.92 |
Year over year
How 2026 compares, adjusted for inflation
vs. prior year · 2025
+17.3%
2025 averaged $2.96 in 2025 dollars.
vs. following year
No later year on record.
2026 was Massachusetts’s 13th-most-expensive year for gas on record, adjusted for inflation — equivalently, the 12th-cheapest of 24 years (2003–2026).
Every grade
Massachusetts fuel prices by grade in 2026
Year-average price per grade. Premium figures are the spread drivers paid for higher-octane fuel that year.
| Grade | Avg / gal | 2025 $ | vs. regular |
|---|---|---|---|
| Regular | $3.57 | $3.47 | — |
| Midgrade | $4.15 | $4.04 | +57.7¢ |
| Premium | $4.52 | $4.40 | +94.9¢ |
Common questions
Massachusetts gas prices in 2026, answered
- What was the average price of gas in Massachusetts in 2026?
- The average price of regular gasoline in Massachusetts in 2026 was $3.57 per gallon — about $3.47 in 2025 dollars after adjusting for inflation, according to U.S. Energy Information Administration weekly data.
- How high did gas prices get in Massachusetts during 2026?
- Massachusetts's weekly average for regular gasoline peaked at $4.45 the week of May 18, 2026 and bottomed out at $2.79 the week of January 26, 2026 — a swing of 59.3% across the year.
- Were gas prices in Massachusetts higher in 2026 than in 2025?
- Adjusted for inflation, regular gasoline in Massachusetts was more expensive in 2026 than in 2025, up 17.3% year over year.
- How does 2026 rank for gas prices in Massachusetts history?
- Adjusted for inflation, 2026 was the 13th-most-expensive year for regular gasoline in Massachusetts out of the 24 years EIA has published weekly prices (2003–2026).