Cape Portland Weather Forecast

    • 7
    • 15

    Windy

    • 9
    • 14

    Windy

    • 5
    • 14

    Partly cloudy

    • 3
    • 14

    Partly cloudy

    • 3
    • 15

    Shower

    • 7
    • 16

    Shower

    • 8
    • 17

    Shower

Today 13 Aug North East

Partly cloudy. Winds westerly 25 to 35 km/h. Daytime maximum temperatures between 11 and 16.

Banks Strait and Franklin

Wind
Westerly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
West to northwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the mainland is forecast to direct a westerly flow over Tasmania on Thursday and persist into Friday. The high then moves over Tasmania on Saturday and Sunday, bringing settled conditions.
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

    11.5 °C

  • Highest 2 August, 2026

    15.1 °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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