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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Rottnest Island’s current conditions, then plan around a typical summer range of 18–30°C and winter lows of 9–18°C. The key factor is the sea breeze, which can shift conditions rapidly from calm to gusty by midday.
What is the typical weather pattern for Rottnest Island?
Rottnest experiences a Mediterranean climate with hot, dry summers (December–February) averaging 18–30°C, and mild, wet winters (June–August) ranging 9–18°C. The dominant feature is the afternoon seabreeze, often reaching 20–30 km/h, which cools the island but can make ferry crossings choppy. Spring and autumn offer the most stable conditions, with lighter winds and temperatures between 15–25°C.
How does the wind affect my visit?
Wind is the primary weather variable on Rottnest. Morning calms are common, but by late morning a south-westerly seabreeze typically develops, strengthening through the afternoon. This affects swimming, cycling, and especially the rottnest ferry service, which may be delayed or cancelled in strong winds above 30 knots. Check the Perth Weather page for broader wind patterns that influence the island.
Where can I find a rottnest weather 14 day forecast?
For a reliable rottnest weather 14 day forecast, use the Bureau of Meteorology’s site or the Weather 10 Days page on Oz Briefly, which provides extended outlooks for the island.
Is the rottnest weather bom forecast accurate for ferry planning?
Yes, the rottnest weather bom forecast is the most authoritative source for wind and swell data. Check it the morning of your trip, as seabreeze strength can change quickly and affect ferry schedules.
What is the weather in rottnest island 10 days out typically like?
The weather in rottnest island 10 days out is a general trend, not a precise prediction. Expect a broad temperature range and wind pattern; refine your plans using the 3–5 day forecast for better accuracy.