Success Harbour Entrance Weather Forecast

    • 10
    • 19

    Possible morning shower

    • 9
    • 21

    Sunny

    • 11
    • 21

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 7
    • 19

    Mostly sunny

    • 10
    • 20

    Showers

    • 11
    • 19

    Showers

Today 20 Aug Perth

Partly cloudy. Medium chance of showers in the morning. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A weak ridge lies across southern WA. A weak trough will deepen down the west coast from late Friday, pushing inland later on Saturday ahead of another weak front which is slated to reach the lower west coast during Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Success Harbour Entrance Temperature Statistics View More

August Temperature

Swanbourne (12km)

  • Lowest 11 August, 2026

    5.1 °C

  • Average August

    14.2 °C

  • Highest 16 August, 2026

    24.6 °C

Climate (2021–2026)

Swanbourne (12km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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