Catherine Bay Weather Forecast

    • 15
    • 20

    Shower or two

    • 12
    • 17

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 10
    • 18

    Partly cloudy

    • 12
    • 19

    Sunny

    • 14
    • 20

    Shower or two

    • 13
    • 17

    Shower or two

Today 26 Jul Lower West

Partly cloudy. Slight chance of a shower. Winds southwesterly 20 to 30 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots turning southerly 10 to 15 knots in the evening.
Seas
1.5 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A new ridge will develop to the south on Monday before the next cold front on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Catherine Bay Temperature Statistics View More

July Temperature

Rottnest Island (1km)

  • Lowest 1 July, 2026

    9.9 °C

  • Average July

    15.4 °C

  • Highest 15 July, 2026

    21.8 °C

Climate (2021–2026)

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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