Costco Clarkston Gas Prices – 5th St
Today at the pump
Regular4.649▼ −$0.150
Premium5.399▼ −$0.050
Diesel6.699▲ +$0.200
USD per gallon · Last updated September 19, 2026
301 5th St, Clarkston, WA 99403-1860 · Open in Maps ↗
30-day range
where today sits- Regular$4.649 today · avg $4.636$4.299 low$4.899 high
- Premium$5.399 today · avg $5.131$4.849 low$5.449 high
- Diesel$6.699 today · avg $5.922$5.459 low$6.699 high
Price history at Clarkston
Last 30 days · USD per gallonRegularPremiumDiesel
View data as table
| Date | Regular | Premium | Diesel |
|---|---|---|---|
| Aug 21 | $4.299 | $4.849 | $5.459 |
| Aug 22 | $4.399 | $4.849 | $5.459 |
| Aug 23 | $4.459 | $4.899 | $5.459 |
| Aug 24 | $4.499 | $4.949 | $5.499 |
| Aug 25 | $4.499 | $4.949 | $5.499 |
| Aug 26 | $4.499 | $4.949 | $5.499 |
| Aug 27 | $4.499 | $4.999 | $5.499 |
| Aug 28 | $4.499 | $4.899 | $5.499 |
| Aug 29 | $4.499 | $4.899 | $5.499 |
| Aug 30 | $4.399 | $4.899 | $5.499 |
| Aug 31 | $4.429 | $4.899 | $5.529 |
| Sep 1 | $4.499 | $4.949 | $5.599 |
| Sep 2 | $4.559 | $5.099 | $5.699 |
| Sep 3 | $4.659 | $5.159 | $5.799 |
| Sep 4 | $4.699 | $5.259 | $5.999 |
| Sep 5 | $4.699 | $5.259 | $5.999 |
| Sep 6 | $4.699 | $5.259 | $5.999 |
| Sep 7 | $4.699 | $5.259 | $5.999 |
| Sep 8 | $4.699 | $5.259 | $5.999 |
| Sep 9 | $4.699 | $5.259 | $5.999 |
| Sep 10 | $4.799 | $5.259 | $6.299 |
| Sep 11 | $4.899 | $5.299 | $6.399 |
| Sep 12 | $4.899 | $5.299 | $6.399 |
| Sep 13 | $4.899 | $5.299 | $6.449 |
| Sep 14 | $4.899 | $5.299 | $6.499 |
| Sep 15 | $4.899 | $5.299 | $6.499 |
| Sep 16 | $4.799 | $5.399 | $6.499 |
| Sep 17 | $4.799 | $5.449 | $6.499 |
| Sep 18 | — | — | — |
| Sep 19 | $4.649 | $5.399 | $6.699 |
Last updated September 19, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Clarkston is located at 301 5th St, Clarkston, WA 99403-1860, in Washington. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular, Premium and Diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Warehouse
Station details
Clarkston Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Clarkston Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Nearby
Costco gas near Clarkston
- SpokaneSpokane, WA · 86.5 mi$5.069Regular
- N SpokaneSpokane, WA · 94.2 mi$4.879Regular
- KennewickKennewick, WA · 105.5 mi$5.149Regular
- MissoulaMissoula, MT · 146.2 mi$4.349Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
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