Cape Portland Weather Forecast

    • 5
    • 16

    Windy

    • 8
    • 16

    Windy

    • 7
    • 16

    Partly cloudy

    • 8
    • 17

    Shower

    • 8
    • 15

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

Today 29 Aug North East

Sunny. Winds westerly 20 to 30 km/h. Daytime maximum temperatures between 15 and 20.

Banks Strait and Franklin

Wind
Westerly 20 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
Southerly below 1 metre.
Weather
Clear.
Weather Situation
A high pressure ridge extending across the north will persist into the new week with the high pressure centre drifting into the Tasman Sea late Monday. A strong cold front is expected to approach from the west, crossing Tasmania on Tuesday, followed by strong westerly flow.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

August Temperature

Swan Island (12km)

  • Lowest 7 August, 2026

    7 °C

  • Average August

    12.1 °C

  • Highest 19 August, 2026

    16.7 °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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