Cape Portland Weather Forecast

    • 8
    • 17

    Cloudy

    • 7
    • 18

    Sunny

    • 7
    • 19

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 9
    • 19

    Shower

Today 8 May North East

Cloudy. Slight chance of a shower about higher ground, becoming less likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 10 and 17.

Banks Strait and Franklin

Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Northwest to southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A cold southwesterly airstream will slowly weaken through today and Saturday as a high centre builds over the Bight. The high is expected to slowly approach Tasmania during Sunday and Monday, with the high centre to lie just to the south of the state by Monday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

May Temperature

Swan Island (12km)

  • Lowest 7 May, 2026

    7.6 °C

  • Average May

    15.7 °C

  • Highest 1 May, 2026

    23 °C

Climate (2021–Present)

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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