Southern Harbour Weather Forecast

    • 9
    • 20

    Mostly sunny

    • 10
    • 21

    Mostly sunny

    • 10
    • 21

    Sunny

    • 12
    • 21

    Showers increasing

    • 15
    • 20

    Showers. Becoming windy

    • 13
    • 18

    Showers

    • 10
    • 19

    Showers

Today 4 Jun Perth

The chance of fog early this morning. Sunny afternoon. Light winds becoming northeasterly 15 to 20 km/h in the morning then tending easterly in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly below 10 knots tending northeasterly 10 to 15 knots in the morning then tending northeast to southeasterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly sunny.
Weather Situation
A ridge over southern WA will move slowly east during today and Friday with a weak trough developing near the Perth coast on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southern Harbour Temperature Statistics View More

June Temperature

Garden Island (12km)

  • Lowest 3 June, 2026

    12.8 °C

  • Average June

    16.6 °C

  • Highest 1 June, 2026

    18.7 °C

Climate (2021–Present)

Garden Island (12km)

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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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