Success Harbour Entrance Weather Forecast

    • 13
    • 24

    Partly cloudy

    • 13
    • 22

    Showers increasing

    • 10
    • 19

    Mostly sunny

    • 8
    • 19

    Sunny

    • 8
    • 22

    Mostly sunny

    • 10
    • 23

    Sunny

    • 13
    • 23

    Mostly sunny

Today 20 May Perth

Partly cloudy. 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
Southwesterly 1.5 to 2 metres.
Weather
Mostly clear.
Weather Situation
A ridge over the local waters is weakening. A weak cold front will move across the west coast on Thursday, ahead of a new ridge arriving on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Success Harbour Entrance Temperature Statistics View More

May Temperature

Swanbourne (12km)

  • Lowest 2 May, 2026

    7.7 °C

  • Average May

    16.3 °C

  • Highest 11 May, 2026

    26.9 °C

Climate (2021–Present)

Swanbourne (12km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.2 °C
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