Shag Islands Weather Forecast

    • 10
    • 21

    Mostly clear

    • 14
    • 23

    Mostly sunny

    • 15
    • 21

    Showers increasing

    • 15
    • 20

    Showers easing

    • 12
    • 19

    Shower or two

    • 12
    • 21

    Showers increasing

    • 15
    • 20

    Showers. Windy

Today 25 May Perth

Mostly clear. Light winds becoming northeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly below 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system over southern WA is slowly moving east. A cold front will move through later Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Islands Temperature Statistics View More

May Temperature

Garden Island (5km)

  • Lowest 23 May, 2026

    7.7 °C

  • Average May

    16.4 °C

  • Highest 11 May, 2026

    26.2 °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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