Peak Island Weather Forecast

    • 14
    • 18

    Showers easing

    • 13
    • 17

    Shower or two

    • 14
    • 18

    Shower or two

    • 13
    • 19

    Cloudy

    • 13
    • 20

    Cloud clearing

    • 13
    • 22

    Sunny

    • 16
    • 24

    Sunny

Today 17 Sep South West

Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm in the east. Winds northwesterly 20 to 30 km/h turning westerly in the early morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 17.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
West to northwesterly 25 to 30 knots, reaching up to 35 knots offshore east of Cape Leeuwin early in the morning. Winds tending west to southwesterly 15 to 25 knots early in the morning.
Seas
2.5 to 3 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 2 to 2.5 metres by early evening.
1st Swell
Westerly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore east of Cape Leeuwin.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm east of Cape Leeuwin.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Peak Island Temperature Statistics View More

September Temperature

Cape Leeuwin (20km)

  • Lowest 8 September, 2025

    7.5 °C

  • Average September

    14.1 °C

  • Highest 12 September, 2025

    23.1 °C

Climate (2020–Present)

Cape Leeuwin (20km)

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  • Average Low 2020–2025

    14.9 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    20.7 °C
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