Newcastle Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $5.35 | $5.42 | $5.8 | $5.82 | - |
| Month Ago Avg. | $4.92 | $4.99 | $5.28 | $5.36 | - |
Highest Recorded Average Gas Price In Newcastle Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.82 | 06/15/26 |
| Regular | $5.35 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Newcastle
Shell in Newcastle (6420 Lake Washington Blvd SE)
6420 Lake Washington Blvd SE, Newcastle, Washington,
$6.69
Jul 01, 2026
3¢ Cashback
Shell in Newcastle (6420 Lake Washington Blvd SE)
6420 Lake Washington Blvd SENewcastleWashington98056USA
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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.