Penguin Island Weather Forecast

    • 15
    • 18

    Partly cloudy

    • 13
    • 18

    Showers

    • 12
    • 19

    Partly cloudy

    • 9
    • 20

    Mostly sunny

    • 11
    • 21

    Mostly sunny

    • 12
    • 22

    Mostly sunny

    • 13
    • 22

    Mostly sunny

Today 4 Sep Perth

Partly cloudy. Medium chance of showers, becoming less likely in the morning. Winds west to 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 25 knots decreasing to 10 to 15 knots in the middle of the day then becoming westerly below 10 knots in the late evening.
Seas
1 to 2 metres, decreasing below 1 metre during the afternoon.
1st Swell
West to southwesterly 2.5 to 4 metres.
Weather
Partly cloudy.
Weather Situation
A moderate cold front will cross the local waters this morning. A stronger cold front will cross the west coast on Saturday night. A new ridge will develop to the south from Sunday and will bring southeasterly change.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penguin Island Temperature Statistics View More

September Temperature

Garden Island (7km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    14.7 °C

  • Highest 2 September, 2026

    18.1 °C

Climate (2021–2026)

Garden Island (7km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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