Cape Portland Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 11
    • 24

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 14
    • 21

    Windy

    • 12
    • 22

    Cloudy

    • 12
    • 21

    Cloudy

    • 13
    • 22

    Cloudy

Today 12 Jan North East

Partly cloudy. Light winds becoming north to northwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 18 and 24.

Banks Strait and Franklin

Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the late afternoon then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Northwest to southwesterly below 1 metre.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

January Temperature

Swan Island (12km)

  • Lowest 1 January, 2026

    11.3 °C

  • Average January

    17.3 °C

  • Highest 7 January, 2026

    27.4 °C

Climate (2021–Present)

Swan Island (12km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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