Cape Portland Weather Forecast

    • 5
    • 16

    Sunny

    • 5
    • 17

    Sunny

    • 5
    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 10
    • 16

    Shower

    • 9
    • 15

    Shower

    • 5
    • 15

    Partly cloudy

Today 10 Sep North East

Sunny. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly in the evening then becoming light in the late evening. Daytime maximum temperatures between 15 and 20.

Banks Strait and Franklin

Wind
Westerly 10 to 15 knots, reaching up to 20 knots near Eddystone Point in the late afternoon.
Seas
Around 1 metre.
1st Swell
Northwest to southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge of high pressure will slowly approach Tasmania from the west today, with a southwesterly stream over the state to ease during the day. The high pressure centre will move over Victoria on Friday, with high centre expected to lie over the northern Tasman Sea by early Saturday and then remain near stationary during Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

September Temperature

Swan Island (12km)

  • Lowest 9 September, 2026

    8.2 °C

  • Average September

    12.4 °C

  • Highest 6 September, 2026

    17 °C

Climate (2021–2026)

Swan Island (12km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.5 °C
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