Today’s AAA National Average $4.0654
Price as of 8/18/26
Today's AAA Wyoming Avg. $4.2995
Price as of 8/18/26
Today’s AAA
National Average
$4.0654
Price as of8/18/26
Today's AAA
Wyoming Avg.
$4.2995
Price as of8/18/26
County Retail Prices
4.7300 to 4.4250
4.4240 to 4.3160
4.3150 to 4.1960
4.1950 to 4.0890
4.0880 to 3.9630
County average gas prices are updated daily to reflect changes in price. For metro averages, click here.
| Regular | Mid-Grade | Premium | Diesel | |
|---|---|---|---|---|
| Current Avg. | $4.2995 | $4.5890 | $4.8900 | $5.4198 |
| Yesterday Avg. | $4.2542 | $4.5604 | $4.8624 | $5.3769 |
| Week Ago Avg. | $4.1894 | $4.4654 | $4.7834 | $5.2066 |
| Month Ago Avg. | $4.0215 | $4.3112 | $4.6006 | $4.7432 |
| Year Ago Avg. | $3.0856 | $3.3659 | $3.6577 | $3.6078 |
highest recorded average price
| Price | Date | |||
|---|---|---|---|---|
| Regular Unleaded | $4.9040 | 7/1/22 | ||
| Diesel | $5.7164 | 6/29/22 |
Casper
| Regular | Mid | Premium | Diesel | |
|---|---|---|---|---|
| Current Avg. | $4.0937 | $4.4140 | $4.7412 | $5.3410 |
| Yesterday Avg. | $4.0843 | $4.4263 | $4.7457 | $5.3209 |
| Week Ago Avg. | $4.0190 | $4.3080 | $4.6500 | $5.1744 |
| Month Ago Avg. | $3.7952 | $4.0951 | $4.3583 | $4.5108 |
| Year Ago Avg. | $2.8031 | $3.1527 | $3.4219 | $3.4112 |
highest recorded average price
| Price | Date | |||
|---|---|---|---|---|
| Regular Unleaded | $4.6727 | 7/3/22 | ||
| Diesel | $5.6215 | 6/26/22 |
Cheyenne
| Regular | Mid | Premium | Diesel | |
|---|---|---|---|---|
| Current Avg. | $4.1295 | $4.4574 | $4.7259 | $5.3584 |
| Yesterday Avg. | $4.1005 | $4.4525 | $4.7426 | $5.3075 |
| Week Ago Avg. | $4.0390 | $4.3740 | $4.6427 | $5.0945 |
| Month Ago Avg. | $3.9311 | $4.2842 | $4.5469 | $4.6070 |
| Year Ago Avg. | $2.6746 | $2.9602 | $3.2466 | $3.4397 |
highest recorded average price
| Price | Date | |||
|---|---|---|---|---|
| Regular Unleaded | $4.7056 | 6/15/22 | ||
| Diesel | $5.4204 | 6/30/22 |