Gas prices today April 18: Check latest weekly average rates in California, Texas, Florida, New York, Washington and more

The latest data from AAA shows a small nationwide pullback in gasoline prices, with the US national average at $4.058 per gallon as of April 18, 2026. While prices have ticked lower overall, sharp contrasts remain across states, with the West Coast and island markets still posting the highest prices and several Southern and Midwestern states offering the lowest.

California, Hawaii, Washington, Oregon, and Nevada remain the most expensive markets, meanwhile, Oklahoma, Kansas, Arkansas, and parts of the South continue to report the lowest prices nationally

Below is a breakdown of current averages for regular, mid-grade, premium, and diesel in key states.

Gas Price Today in California

California continues to lead the nation in fuel costs. Regular gasoline stands at $5.844, mid-grade at $6.084, premium at $6.270, and diesel at $7.573 per gallon. Despite the slight national easing, California drivers are still facing some of the highest pump prices in the country, reflecting regional taxes, environmental fuel standards, and supply dynamics.

Gas Price Today in Texas

Texas remains among the cheapest large states for gasoline. Regular fuel is priced at $3.688, mid-grade at $4.168, premium at $4.542, and diesel at $5.180 per gallon. Even with recent upward pressures earlier in April, Texas continues to provide relative relief compared to coastal markets.

Gas Price Today in Florida

Florida’s averages show regular gasoline at $4.045, mid-grade at $4.508, premium at $4.846, and diesel at $5.541. Prices here sit slightly above the national average but remain far below West Coast levels.

Gas Price Today in New York

New York drivers are paying $4.111 for regular, $4.615 for mid-grade, $4.992 for premium, and $5.929 for diesel. Prices remain elevated compared to much of the country, reflecting regional distribution costs and taxes.

Gas Price Today in Washington

Washington is among the most expensive states after California and Hawaii. Regular gasoline costs $5.383, mid-grade $5.664, premium $5.904, and diesel $6.909. The state continues to see sustained high prices across all grades.

Gas Price Today in Hawaii

Hawaii remains structurally expensive due to import reliance. Regular gasoline is $5.666, mid-grade $5.909, premium $6.167, and diesel $7.178 per gallon, placing it near the top nationally.

Gas Price Today in Oklahoma (Lowest in US)

Oklahoma reports the lowest regular gasoline average in the country at $3.413. Mid-grade is $3.825, premium $4.111, and diesel $4.716, offering some of the most affordable fuel for drivers nationwide.