Shag Islands Weather Forecast

    • 22
    • 31

    Clear

    • 18
    • 31

    Cloud clearing

    • 18
    • 32

    Sunny

    • 20
    • 34

    Sunny

    • 23
    • 32

    Sunny

    • 19
    • 27

    Partly cloudy

    • 16
    • 27

    Sunny

Today 12 Jan Perth

Clear. Winds southwesterly 25 to 35 km/h turning southerly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 30 knots.
Seas
2 metres.
1st Swell
Southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A trough is moving inland from the west coast ahead of a new high pressure system developing south of the Bight on Tuesday. The west coast trough will start to redevelop from Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Islands Temperature Statistics View More

January Temperature

Garden Island (5km)

  • Lowest 11 January, 2026

    16.3 °C

  • Average January

    22.9 °C

  • Highest 1 January, 2026

    31.8 °C

Climate (2021–Present)

Garden Island (5km)

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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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