Wyoming’s average gas prices up nearly 10 cents a gallon in the past week
Gas prices for Newcastle as of 8:20 a.m. on May 12, 2026 via GasBuddy.com
CHEYENNE (WNE) — Average gasoline prices in Wyoming have risen 9.8 cents per gallon in the last week, averaging $4.37 per gallon Monday, according to GasBuddy.com’s survey of 494 stations in Wyoming.
Prices in Wyoming are 58.9 cents per gallon higher than a month ago, and stand $1.28 per gallon higher than a year ago. The national average price of diesel has increased 0.2 cents compared to a week ago, and stands at $5.623 per gallon.
According to GasBuddy price reports, the lowest price in the state Sunday was $3.85 per gallon, while the highest was $5.29, a difference of $1.44 per gallon.
The national average price of gasoline has risen 5.1 cents per gallon in the last week, averaging $4.48 on Monday. The national average is up 37.3 cents per gallon from a month ago.
This story was published on May 12, 2026.