Cape Portland Weather Forecast

    • 7
    • 22

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 14
    • 25

    Shower

    • 12
    • 23

    Partly cloudy

    • 13
    • 21

    Partly cloudy

Today 28 Mar North East

Partly cloudy. Winds south to southwesterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures between 16 and 22.

Banks Strait and Franklin

Wind
South to southwesterly 10 to 15 knots tending west to southwesterly in the late afternoon then turning south to southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
East to southeasterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres about Banks Strait.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will extend over the state from the west during the weekend, with the high centre expected to move over Tasmania on Monday. A warmer north to northwesterly airstream will then develop over the state on Tuesday as the ridge moves over the Tasman Sea and a low pressure system and associated front approach from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

March Temperature

Swan Island (12km)

  • Lowest 13 March, 2026

    10.7 °C

  • Average March

    17.6 °C

  • Highest 10 March, 2026

    23 °C

Climate (2021–Present)

Swan Island (12km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.5 °C
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