Cape Portland Weather Forecast

    • 6
    • 19

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 9
    • 21

    Cloudy

    • 9
    • 22

    Sunny

    • 13
    • 23

    Partly cloudy

    • 13
    • 20

    Shower

    • 11
    • 21

    Cloudy

Today 26 Dec North East

Partly cloudy. Areas of frost about higher ground in the early morning. Winds south to southwesterly 15 to 25 km/h. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching between 15 and 20.

Banks Strait and Franklin

Wind
Southwesterly 15 to 20 knots tending northwest to southwesterly 10 to 15 knots in the early afternoon then tending south to southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

December Temperature

Swan Island (12km)

  • Lowest 2 December, 2025

    8.3 °C

  • Average December

    15 °C

  • Highest 13 December, 2025

    24.2 °C

Climate (2020–Present)

Swan Island (12km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.5 °C
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