Southern Harbour Weather Forecast

    • 13
    • 19

    Showers. Becoming windy

    • 13
    • 21

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 12
    • 24

    Sunny

    • 15
    • 26

    Sunny

    • 15
    • 21

    Shower or two

    • 15
    • 20

    Showers

Today 24 Oct Perth

Partly cloudy. High chance of showers, most likely in the afternoon. Winds westerly 25 to 40 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly 15 to 25 knots tending west to southwesterly 20 to 25 knots during the afternoon and evening. Winds reaching up to 30 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 2 metres around midday.
1st Swell
Westerly 1 to 2 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A cold front moves east of the local waters this morning. A new ridge forms over the southwestern coast on Saturday, with a west coast trough developing during the start of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southern Harbour Temperature Statistics View More

October Temperature

Garden Island (12km)

  • Lowest 2 October, 2025

    9.4 °C

  • Average October

    16.6 °C

  • Highest 17 October, 2025

    26.3 °C

Climate (2020–Present)

Garden Island (12km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.3 °C
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