The Brothers Weather Forecast

    • 18
    • 29

    Mostly sunny

    • 18
    • 30

    Partly cloudy

    • 17
    • 29

    Sunny

    • 18
    • 31

    Mostly sunny

    • 19
    • 31

    Mostly sunny

    • 21
    • 28

    Shower or two

    • 21
    • 26

    Showers

Today 22 Mar Perth

Mostly sunny. Winds southeasterly 25 to 35 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds tending southeasterly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Mostly sunny.
Weather Situation
A west coast trough has moves east of the local waters. A new ridge will arrive in the southwest today strengthening as it stretches along the south coast from Monday, directing southeasterly winds over the local waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Brothers Temperature Statistics View More

March Temperature

Garden Island (9km)

  • Lowest 1 March, 2026

    14.3 °C

  • Average March

    22.6 °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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