Price Cycles
Fuel Price Forecasts Explained (Australia)
How to use fuel price forecasts in Australia: check the local cycle, recent station prices, wholesale costs, confidence and when to fill up.
Key takeaways
A fuel forecast is guidance,
A fuel forecast is guidance, not a guaranteed price promise.
FuelRadar checks the local cycle,
FuelRadar checks the local cycle, 90 days of city prices, terminal gate prices, Brent crude and the Australian dollar.
A forecast should change how
A forecast should change how much you buy: fill more near a low, buy less near a spike when you can wait.
Always confirm the station price
Always confirm the station price and update time before driving for a forecasted saving.
Using this guide
Before you act on the guide
Check the station price, report time and distance before changing your route.
What a fuel price forecast can tell you
A fuel price forecast helps answer one question: should you fill up now, wait, or buy only enough to get through the next few days? It is not a guarantee of tomorrow's price at one station. Check the forecast against the latest station list for your fuel grade.
The five things FuelRadar checks
FuelRadar compares the local price cycle with recent city prices and wider fuel costs. A recommendation is more useful when several of these figures point in the same direction.
| Figure | What it tells you | How to use it |
|---|---|---|
| 90 days of city average prices | The recent normal range for that city and fuel type. | Shows whether today is high, low or ordinary for the city. |
| Local price-cycle position | Where the city sits between the last reset and the next likely low. | Use it only where a current retail petrol cycle is evident. |
| Terminal gate prices | A wholesale benchmark before retail costs and margin. | Shows whether wholesale costs are rising or falling. |
| Brent crude oil | Movement in a widely followed global crude-oil benchmark. | Use it as background rather than a direct pump-price formula. |
| AUD/USD | The exchange-rate cost of fuel traded in US dollars. | A weaker Australian dollar can raise local fuel costs. |
How FuelRadar recommends fill, wait or compare
FuelRadar weighs the available figures; it does not produce one certain station price. Confidence falls when recent updates are sparse, the figures disagree or the city is not following its usual cycle.
| Recommendation | What it means | What to do |
|---|---|---|
| Fill now | Waiting is unlikely to provide much benefit. | Compare recent nearby station reports before a larger fill. |
| Wait if you can | Prices may have room to fall. | Buy only what you need if it is safe and practical to wait. |
| Compare nearby | Station prices are spread out or the best time is unclear. | Use the station list rather than the forecast alone. |
| Low confidence | Updates are sparse or the figures disagree. | Check current station prices first. |
What the forecast does not claim
FuelRadar does not claim to predict the exact price at every station tomorrow. Retailers can change prices at different times, and one suburb can move before another. Always check the update time and confidence before relying on a forecast.
Why forecasts differ by city
The ACCC reported materially different average cycle lengths across Sydney, Melbourne, Brisbane, Adelaide and Perth in 2025. Perth also has government-published next-day prices. Use a city-specific view and current station reports rather than a national weekday rule.
How to use the forecast
Open the city or price-cycle page, note the data time and confidence, then compare station prices for the exact fuel grade near where you drive. Include distance and update time before deciding how much to buy.
Frequently asked questions
No. They are guidance based on the city cycle, recent station prices and wider fuel costs. Always confirm the station price and update time before paying.