The Boathouse Marina Weather Forecast

    • 22
    • 31

    Partly cloudy

    • 19
    • 28

    Partly cloudy

    • 18
    • 25

    Partly cloudy

    • 16
    • 30

    Sunny

    • 17
    • 29

    Sunny

    • 17
    • 28

    Becoming windy. Mostly sunny

    • 14
    • 28

    Sunny

Today 15 Dec Perth

Mostly sunny. The chance of a thunderstorm in the early afternoon. Winds northerly 20 to 30 km/h turning westerly in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly below 10 knots becoming west to northwesterly in the middle of the day then becoming southwesterly in the late evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Mostly sunny. The chance of a thunderstorm in the early afternoon.
Weather Situation
A trough is deepening offshore from the west coast associated with a low pressure system. The trough will move back to the west coast throughout today, before moving inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Boathouse Marina Temperature Statistics View More

December Temperature

Swanbourne (12km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    22.4 °C

  • Highest 1 December, 2025

    38.4 °C

Climate (2020–Present)

Swanbourne (12km)

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  • Average Low 2020–2025

    14.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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