Rottnest Island Weather Forecast

    • 20
    • 27

    Sunny

    • 21
    • 29

    Becoming windy. Sunny

    • 20
    • 30

    Becoming windy. Sunny

    • 20
    • 29

    Sunny

    • 23
    • 30

    Sunny

    • 19
    • 27

    Becoming windy. Sunny

    • 18
    • 27

    Sunny

Today 29 Jan Lower West

Sunny. Winds south to southwesterly 20 to 30 km/h becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A ridge sits to the south of the Local Waters. A trough lingers about the west coast, deepening over the weekend and into Monday when it moves inland.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Temperature Statistics View More

January Temperature

Rottnest Island (3km)

  • Lowest 18 January, 2026

    15.9 °C

  • Average January

    21.9 °C

  • Highest 21 January, 2026

    36.2 °C

Climate (2021–Present)

Rottnest Island (3km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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