Thermopolis Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.55 | $3.84 | $4.13 | $4.13 | - |
Highest Recorded Average Gas Price In Thermopolis Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.57 | 09/13/26 |
| Regular | $3.81 | 09/11/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Thermopolis
Sinclair in Thermopolis (215 S 6th St)
215 S 6th St, Thermopolis, Wyoming,
$3.54
Sep 21, 2026
0¢ Cashback
Sinclair in Thermopolis (215 S 6th St)
215 S 6th StThermopolisWyoming82443USA
Maverik in Thermopolis (425 S 6th St)
425 South 6th, Thermopolis, Wyoming,
$4.52
Sep 21, 2026
0¢ Cashback
Maverik in Thermopolis (425 S 6th St)
425 South 6thThermopolisWyoming82443USA
Maverik in Thermopolis (425 S 6th St)
425 S 6th St, Thermopolis, Wyoming,
$4.83
Sep 21, 2026
0¢ Cashback
Maverik in Thermopolis (425 S 6th St)
425 S 6th StThermopolisWyoming82443US
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.