How gas prices have changed in Olympia in the last week

Written by:
May 18, 2026
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How gas prices have changed in Olympia in the last week

compiled statistics on gas prices in Olympia, WA metro area using data from . Gas prices are current as of May 18.

Olympia by the numbers
- Gas current price: $5.81
--- Washington average: $5.78
- Week change: +$0.03 (+0.5%)
- Year change: +$1.44 (+33.0%)
- Historical expensive gas price: $5.82 (5/16/26)

- Diesel current price: $6.92
- Week change: -$0.01 (-0.1%)
- Year change: +$2.28 (+49.1%)
- Historical expensive diesel price: $7.10 (4/10/26)

Metros with the least expensive gas
#1. McAllen-Edinburg-Mission, TX: $3.78
#2. Brownsville-Harlingen, TX: $3.79
#3. Laredo, TX: $3.80

Read on to see which metros have the most expensive gas prices.

1 / 5
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#5. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $6.30
2 / 5
jittawit21 // Shutterstock

#4. San Rafael, CA

- Regular gas price: $6.31
3 / 5
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#3. San Francisco, CA

- Regular gas price: $6.31
4 / 5
Rangsarit Chaiyakun // Shutterstock

#2. Salinas, CA

- Regular gas price: $6.31
5 / 5
Elen Nika // Shutterstock

#1. Napa, CA

- Regular gas price: $6.37

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