Porpoise Bay Weather Forecast

    • 21
    • 29

    Sunny

    • 22
    • 30

    Sunny

    • 22
    • 27

    Sunny

    • 21
    • 26

    Mostly sunny

    • 21
    • 26

    Sunny

    • 20
    • 25

    Cloud clearing

    • 19
    • 25

    Becoming windy. Sunny

Today 17 Mar Lower West

Sunny. Winds northeast to southeasterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then tending east to southeasterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming southerly 10 to 15 knots in the early afternoon then tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A slow moving ridge persists south of the State, with a stagnant west coast trough pushing offshore today and lingering about the west coast through to the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Porpoise Bay Temperature Statistics View More

March Temperature

Rottnest Island (3km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    21.6 °C

  • Highest 4 March, 2026

    29.1 °C

Climate (2021–Present)

Rottnest Island (3km)

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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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