The Brothers Weather Forecast

    • 7
    • 17

    Partly cloudy

    • 10
    • 19

    Showers increasing. Windy

    • 7
    • 15

    Showers easing. Wind easing

    • 8
    • 17

    Showers

    • 10
    • 18

    Showers. Becoming windy

    • 9
    • 15

    Showers easing

    • 7
    • 17

    Partly cloudy

Today 19 Jul Perth

Partly cloudy. Slight chance of a shower in the late afternoon and evening. Winds northeast to northwesterly 15 to 20 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly 10 to 15 knots turning north to northwesterly during the afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Mostly sunny.
Weather Situation
A weak cold front will dissipate over eastern parts of the South West Land Division on Friday evening, with a ridge extending over southern parts of the State during Friday night and Saturday. A strong cold front will cross the South West Land Division during Sunday afternoon and evening, continuing east on Monday as a ridge extends across the southern half of WA.
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  • Temperature Forecast Bureau of Meteorology

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The Brothers Temperature Statistics View More

July Temperature

Garden Island (9km)

  • Lowest 17 July, 2025

    8.5 °C

  • Average July

    15.1 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (9km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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