The Brothers Weather Forecast

    • 19
    • 24

    Partly cloudy

    • 18
    • 22

    Showers

    • 17
    • 21

    Possible shower

    • 14
    • 21

    Partly cloudy

    • 15
    • 25

    Mostly sunny

    • 18
    • 26

    Mostly sunny

    • 18
    • 25

    Mostly sunny

Today 29 Mar Perth

Mostly sunny. Slight chance of a shower in the southwest, near zero chance elsewhere. Winds west to southwesterly 15 to 25 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Mostly sunny.
Weather Situation
A series of cold fronts will move across the south coast, maintaining a showery westerly flow across the local waters until Tuesday. A new ridge will extend over southern WA from later Tuesday, before sinking to the south coast on Thursday as a trough develops over inland South West Land Division and inland Gascoyne.
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  • Temperature Forecast Bureau of Meteorology

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The Brothers Temperature Statistics View More

March Temperature

Garden Island (9km)

  • Lowest 1 March, 2026

    14.3 °C

  • Average March

    22.2 °C

  • Highest 18 March, 2026

    36.6 °C

Climate (2021–Present)

Garden Island (9km)

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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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