Catherine Bay Weather Forecast

    • 17
    • 24

    Windy. Clear

    • 19
    • 28

    Wind easing. Sunny

    • 22
    • 35

    Sunny

    • 23
    • 33

    Sunny

    • 22
    • 29

    Sunny

    • 20
    • 26

    Becoming windy. Sunny

    • 17
    • 24

    Windy. Cloud clearing

Today 18 Jan Lower West

Clear. Winds southwesterly 20 to 30 km/h turning southerly 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeast to southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Catherine Bay Temperature Statistics View More

January Temperature

Rottnest Island (1km)

  • Lowest 9 January, 2026

    16.5 °C

  • Average January

    22.1 °C

  • Highest 1 January, 2026

    31.2 °C

Climate (2021–Present)

Rottnest Island (1km)

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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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