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St. Catherines Gas Prices — Today & Tomorrow's Predictions

St. Catherines Gas Price Forecast

Accurate multi-day gas price predictions for St. Catherines.

Here you will find tomorrow’s gas price for St. Catherines, Ontario, Canada. Find out when you should fill up and what your gas or diesel is going to cost you.

These are gas price predictions, but are highly accurate and based on the 30+ years of energy industry knowledge and wisdom of The Honourable Dan McTeague, former Member of Parliament and current president of Canadians for Affordable Energy .

Regular gas in St. Catherines is forecast at 181.9¢/L, down 7.0¢ from the previous forecast. Diesel at 242.9¢ and premium at 211.9¢.

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Gas Prices for Sunday, September 27, 2026

Regular
181.9 ↓ 7.0
Premium
211.9 ↓ 7.0
Diesel
242.9 ↓ 4.0

Gas Prices for Saturday, September 26, 2026

Regular
188.9 ↑ 1.0
Premium
218.9 ↑ 1.0
Diesel
246.9 ↓ 2.0

Gas Prices for Friday, September 25, 2026

Regular
187.9 ↑ 4.0
Premium
217.9 ↑ 4.0
Diesel
248.9 ↓ 7.0

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St. Catherines Price History

Current (Regular)

181.9¢

30-Day

+3¢

90-Day

+22¢

High / Low

195.9 / 67.9

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St. Catherines Gas Price FAQ

What will gas cost in St. Catherines tomorrow?

Tomorrow's predicted regular gas price for St. Catherines is 181.9¢ per litre, based on Dan McTeague's daily energy-market analysis.

Are gas prices going up or down in St. Catherines?

Regular gas in St. Catherines is predicted to fall by about 7.0¢ per litre in the next forecast. Waiting for the price to drop can save you money at the pump.

Should I fill up today or wait in St. Catherines?

Waiting for the price to drop can save you money at the pump.

How have gas prices in St. Catherines changed recently?

Over the past 30 days, regular gas in St. Catherines is up 3.0¢ per litre, ranging from a low of 178.9¢ to a high of 190.9¢.

How accurate are these gas price predictions?

These St. Catherines forecasts come from Dan McTeague, former Member of Parliament and president of Canadians for Affordable Energy, drawing on 30+ years of energy-industry experience. They are highly accurate day-ahead predictions, not official retail prices.

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