Porpoise Bay Weather Forecast

    • 17
    • 24

    Sunny

    • 19
    • 25

    Shower or two

    • 19
    • 23

    Partly cloudy

    • 15
    • 25

    Windy. Mostly sunny

    • 17
    • 26

    Windy. Sunny

    • 21
    • 28

    Sunny

    • 21
    • 29

    Sunny

Today 24 Jan Lower West

Sunny. The chance of smoke haze early this morning, mainly inland. Winds south to southeasterly 15 to 20 km/h becoming light in the morning then becoming southwesterly 20 to 30 km/h in the middle of the day. Daytime maximum temperatures 26 to 32.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 15 to 20 knots turning southwesterly 10 to 15 knots in the late morning and early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A weak ridge lies over the Local Waters. Another cold front approaches the southwest on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Porpoise Bay Temperature Statistics View More

January Temperature

Rottnest Island (3km)

  • Lowest 18 January, 2026

    15.9 °C

  • Average January

    22.4 °C

  • Highest 21 January, 2026

    36.2 °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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