Cape Portland Weather Forecast

    • 5
    • 11

    Windy

    • 6
    • 14

    Windy

    • 9
    • 14

    Windy

    • 7
    • 15

    Shower

    • 9
    • 14

    Shower

    • 9
    • 13

    Shower

    • 4
    • 11

    Shower

Today 23 Jul North East

Partly cloudy. Slight chance of a shower, with possible small hail. Snow possible above 500 metres. Areas of morning frost about higher ground. Winds westerly 25 to 40 km/h. Daytime maximum temperatures between 6 and 11.

Banks Strait and Franklin

Wind
Westerly 20 to 30 knots, reaching up to 35 knots about Banks Strait in the evening.
Seas
2 to 3 metres.
1st Swell
West to northwesterly around 1 metre, tending northwest to southwesterly 1.5 to 2.5 metres during the afternoon.
Weather
Partly cloudy. 70% chance of showers, with possible small hail during the morning and afternoon.
Weather Situation
A cold front approaches this morning, bringing a strong and cold west to southwesterly flow across the state. A warm front will then cross during Friday, bringing a much warmer westerly airstream to the state which persists into Saturday. A weak ridge is then expected to cross later Saturday with the airstream expected to tend more northwesterly during Sunday as a cold front approaches from the west.
Graph Plots Open in Graphs

  • 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

    11.8 °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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