Swan River - Rocky Bay Weather Forecast

    • 19
    • 28

    Partly cloudy

    • 18
    • 25

    Partly cloudy

    • 16
    • 30

    Sunny

    • 17
    • 30

    Sunny

    • 17
    • 28

    Sunny

    • 15
    • 28

    Sunny

    • 17
    • 29

    Sunny

Today 16 Dec Perth

Mostly sunny. The chance of smoke haze about the hills in the afternoon and early evening. Winds west to southwesterly 20 to 30 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly below 10 knots tending southwesterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy. Patchy fog this morning with reduced visibility.
Weather Situation
A weak cold front will brush past the southwest coast today, followed by a new ridge building across the southwest coast from Wednesday. A new west coast trough will form on Friday.
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Swan River - Rocky Bay Temperature Statistics View More

December Temperature

Swanbourne (7km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    22.8 °C

  • Highest 14 December, 2025

    41.1 °C

Climate (2020–Present)

Swanbourne (7km)

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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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