Cape Portland Weather Forecast

    • 9
    • 14

    Partly cloudy

    • 6
    • 13

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 10
    • 15

    Cloudy

    • 10
    • 14

    Shower

    • 5
    • 12

    Shower

    • 6
    • 13

    Shower

Today 18 Jul North East

Partly cloudy. Areas of morning frost about higher ground. Winds westerly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures between 11 and 15.

Banks Strait and Franklin

Wind
Westerly 10 to 15 knots, reaching up to 20 knots about Banks Strait during the day.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
1st Swell
Northwest to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A west to northwesterly airstream will prevail over the state until Monday as a near stationary high pressure centre over Victoria extends a weak ridge over Tasmania. A weak cold front is expected to move over the west Monday evening, and the rest of the state during Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

July Temperature

Swan Island (12km)

  • Lowest 5 July, 2026

    6.4 °C

  • Average July

    11.5 °C

  • Highest 1 July, 2026

    15.8 °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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