Penguin Island Weather Forecast

    • 22
    • 38

    Sunny

    • 23
    • 41

    Sunny

    • 25
    • 33

    Mostly sunny

    • 19
    • 25

    Partly cloudy

    • 15
    • 25

    Sunny

    • 19
    • 25

    Shower or two

    • 17
    • 23

    Partly cloudy

Today 20 Jan Perth

Sunny. Winds east to southeasterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then tending east to southeasterly 25 to 35 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Sunny.
Weather Situation
A deep trough offshore will move inland on Thursday as a ridge over the local waters weakens, ahead of a weak cold front brushing the south coast on Friday. A weak ridge will form in the southwest before another cold front approaches over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penguin Island Temperature Statistics View More

January Temperature

Garden Island (7km)

  • Lowest 18 January, 2026

    15.3 °C

  • Average January

    22.6 °C

  • Highest 1 January, 2026

    31.8 °C

Climate (2021–Present)

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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