Cape Portland Weather Forecast

    • 10
    • 17

    Shower

    • 9
    • 18

    Windy

    • 8
    • 16

    Shower

    • 8
    • 16

    Shower

    • 6
    • 18

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 9
    • 19

    Partly cloudy

Today 28 Nov North East

Partly cloudy. Medium chance of showers, becoming less likely in the evening. Winds westerly 25 to 40 km/h decreasing to 15 to 25 km/h in the late evening. Daytime maximum temperatures between 12 and 19.

Banks Strait and Franklin

Wind
Westerly 20 to 30 knots decreasing to 15 to 20 knots in the late evening.
Seas
2 to 3 metres.
1st Swell
West to northwesterly below 1 metre.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A westerly flow persists. A weak cold front embedded in the flow approaches and crosses from the west late Friday and early Saturday. A ridge is expected to return over the weekend from a high centred well to the west of WA and persist on Sunday, maintaining a west to southwesterly flow. A trough and associated low approach the state late Sunday and move over the state on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

November Temperature

Swan Island (12km)

  • Lowest 14 November, 2025

    6 °C

  • Average November

    13.4 °C

  • Highest 22 November, 2025

    19.7 °C

Climate (2020–Present)

Swan Island (12km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    17.5 °C
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