The Brothers Weather Forecast

    • 13
    • 19

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 11
    • 24

    Sunny

    • 13
    • 25

    Mostly sunny

    • 14
    • 23

    Partly cloudy

Today 15 May Perth

Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots tending southerly in the morning then decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
The last in a series of weak cold fronts will move through Saturday. A new ridge will strengthen over local waters early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Brothers Temperature Statistics View More

May Temperature

Garden Island (9km)

  • Lowest 2 May, 2026

    10.1 °C

  • Average May

    17 °C

  • Highest 11 May, 2026

    26.2 °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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