Catherine Bay Weather Forecast

    • 12
    • 20

    Mostly sunny

    • 13
    • 22

    Mostly sunny

    • 15
    • 22

    Mostly sunny

    • 17
    • 21

    Showers increasing. Windy

    • 17
    • 21

    Showers easing

    • 15
    • 20

    Showers

    • 15
    • 21

    Showers

Today 24 May Lower West

Mostly sunny. Areas of morning frost in the south. Winds northeasterly 15 to 20 km/h becoming light in the early afternoon. Daytime maximum temperatures between 18 and 21.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly 10 to 15 knots becoming variable below 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres around midday.
Weather
Mostly sunny.
Weather Situation
A high pressure system will remain over southern WA through the next few days.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Catherine Bay Temperature Statistics View More

May Temperature

Swanbourne (25km)

  • Lowest 2 May, 2026

    7.7 °C

  • Average May

    16.3 °C

  • Highest 11 May, 2026

    26.9 °C

Climate (2021–Present)

Swanbourne (25km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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