Twin Rocks Weather Forecast

    • 19
    • 26

    Sunny

    • 20
    • 27

    Sunny

    • 22
    • 28

    Sunny

    • 19
    • 24

    Partly cloudy

    • 18
    • 24

    Becoming windy. Sunny

    • 19
    • 26

    Sunny

    • 21
    • 29

    Sunny

Today 14 Jan Lower West

Sunny. Winds east to southeasterly 25 to 35 km/h. Daytime maximum temperatures in the low to mid 30s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 10 to 15 knots tending southeast to southwesterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge of high pressure will remain over the southwest of the state this week, a west coast trough starting to develop from today. The trough will deepen before moving inland on Friday ahead of a cold front approaching the southwest on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Rocks Temperature Statistics View More

January Temperature

Rottnest Island (5km)

  • Lowest 9 January, 2026

    16.5 °C

  • Average January

    22 °C

  • Highest 1 January, 2026

    31.2 °C

Climate (2021–Present)

Rottnest Island (5km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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