The Brothers Weather Forecast

    • 14
    • 23

    Mostly sunny

    • 15
    • 25

    Sunny

    • 15
    • 25

    Sunny

    • 16
    • 26

    Becoming windy. Sunny

    • 17
    • 28

    Mostly sunny

    • 18
    • 30

    Sunny

    • 20
    • 28

    Becoming windy. Sunny

Today 5 Dec Perth

The chance of smoke haze in the early morning. Mostly sunny day. Winds southerly 15 to 20 km/h becoming light before dawn then becoming south to southwesterly 25 to 35 km/h in the morning.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 15 to 20 knots tending south to southwesterly 15 to 25 knots in the late morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Brothers Temperature Statistics View More

December Temperature

Garden Island (9km)

  • Lowest 4 December, 2025

    16.4 °C

  • Average December

    21 °C

  • Highest 1 December, 2025

    36.8 °C

Climate (2020–Present)

Garden Island (9km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.4 °C
Get WillyWeather+ to remove ads