How gas prices have changed in Chambersburg in the last week

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

compiled statistics on gas prices in Chambersburg-Waynesboro, PA metro area using data from . Gas prices are current as of May 18.

Chambersburg by the numbers
- Gas current price: $4.30
--- Pennsylvania average: $4.64
- Week change: -$0.00 (-0.0%)
- Year change: +$1.08 (+33.7%)
- Historical expensive gas price: $5.02 (6/14/22)

- Diesel current price: $5.87
- Week change: +$0.00 (+0.1%)
- Year change: +$1.87 (+46.7%)
- Historical expensive diesel price: $6.31 (5/20/22)

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
Rangsarit Chaiyakun // Shutterstock

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

- Regular gas price: $6.30
2 / 5
Daniel Avram // Shutterstock

#4. San Rafael, CA

- Regular gas price: $6.31
3 / 5
Elen Nika // Shutterstock

#3. San Francisco, CA

- Regular gas price: $6.31
4 / 5
jittawit21 // Shutterstock

#2. Salinas, CA

- Regular gas price: $6.31
5 / 5
Istvan Csak // Shutterstock

#1. Napa, CA

- Regular gas price: $6.37

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