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Rottnest Weather

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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.

🌤️17°C
Mainly clearRottnestFeels like 13° · Wind 26 km/h · Humidity 65%
UV 4 ModerateSunrise 07:14Sunset 17:34
Today🌦️18°15°💧92%
Wed☁️17°13°💧0%
Thu☀️17°12°💧0%
Fri☁️18°13°💧0%
Sat🌦️19°14°💧49%
Sun🌦️17°15°💧47%
Mon☁️16°13°💧23%

Live data from Open-Meteo · updates automatically ·

Rottnest Island’s weather is dominated by a Mediterranean climate with warm, dry summers and cool, wet winters; the live forecast above shows the immediate conditions for your visit.

What is the typical weather pattern on Rottnest Island?

The island experiences a classic Perth-style climate, with the hottest months being January and February when daytime highs often push into the low 30s Celsius. Sea breezes, known locally as the “Fremantle Doctor,” frequently arrive in the afternoon, providing natural relief. Winters from June to August are cooler and wetter, with average maximums around 18°C and a higher chance of rain-bearing fronts sweeping across from the west. For a detailed outlook, the weather 10 days page gives a reliable snapshot of the current week, while a Perth Weather page is useful for comparison since the mainland forecast often mirrors the island.

How does the wind affect Rottnest conditions?

Wind is the defining feature of Rottnest’s weather, especially for ferry travel and outdoor activities. The prevailing easterly winds blow in the morning before shifting to a strong south-westerly seabreeze by midday. The rottnest weather seabreeze pattern is critical for sailors and fishers, as it can increase wind speed dramatically. For those checking the rottnest weather bom, the Bureau of Meteorology’s marine wind warnings are essential reading. If you plan to travel, the rottnest ferry schedule is often adjusted in strong south-westerly conditions, so always check a rottnest weather 14 day forecast before booking.

Average Summer Max29°C (Jan–Feb)
Average Winter Max18°C (Jul)
Wettest MonthJuly (approx. 130mm rainfall)
Afternoon SeabreezeTypically arrives 12pm–2pm
Can I rely on a 21-day forecast for Rottnest?

A rottnest weather 21 day forecast provides a general trend but lacks accuracy for daily planning. The island’s winds and fronts change quickly, so a 7-day outlook is more dependable for activities like snorkelling or ferry trips.

Is the bbc weather rottnest island forecast accurate?

BBC Weather uses global models that can miss local seabreeze and coastal effects. For precise marine and island conditions, the rottnest weather bom page or specialised marine feeds are more reliable for current conditions.

What should I pack for a day trip based on the forecast?

Always bring a windbreaker and sunscreen, even on a mild day. The seabreeze can drop the apparent temperature significantly. If the weather in rottnest island 10 days shows a front, pack a light waterproof jacket as showers can arrive without warning.