Third Rocks Weather Forecast

    • 13
    • 18

    Shower or two

    • 9
    • 18

    Showers easing

    • 8
    • 18

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 12
    • 24

    Sunny

    • 15
    • 27

    Sunny

    • 16
    • 27

    Sunny

Today 23 Oct Perth

Cloudy. High chance of showers, most likely in the morning and early afternoon. Winds southwesterly 25 to 35 km/h tending southerly 15 to 25 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots turning southerly in the late morning and afternoon.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres during the morning, then tending southwesterly 2.5 to 3 metres around midday.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A ridge has developed over the west coast and will persist whilst a series of weak fronts are expected to brush the south coast over the next few days.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

October Temperature

Garden Island (8 km)

  • Lowest 2 October, 2026

    9.9 °C

  • Average October

    17.2 °C

  • Highest 14 October, 2026

    29.7 °C

Climate (2021–2026)

Garden Island (8 km)

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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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