Success Harbour Entrance Weather Forecast

    • 16
    • 28

    Partly cloudy

    • 19
    • 27

    Sunny

    • 15
    • 23

    Showers increasing

    • 13
    • 19

    Showers easing. Wind easing

    • 13
    • 20

    Cloudy

    • 12
    • 21

    Sunny

    • 13
    • 21

    Possible shower

Today 16 Sep Perth

Partly cloudy. Medium chance of showers. The chance of a thunderstorm. Winds northeasterly 15 to 25 km/h becoming light in the late afternoon then becoming east to northeasterly 15 to 20 km/h in the evening.

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 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A trough extends down the west coast. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the local waters on Friday before the next ridge begins to develop.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Success Harbour Entrance Temperature Statistics View More

September Temperature

Swanbourne (12km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    16.1 °C

  • Highest 11 September, 2026

    26.1 °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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