Cape Portland Weather Forecast

    • 10
    • 22

    Partly cloudy

    • 11
    • 23

    Partly cloudy

    • 12
    • 22

    Partly cloudy

    • 14
    • 23

    Shower

    • 11
    • 19

    Shower

    • 8
    • 18

    Shower

    • 8
    • 17

    Shower

Today 30 Apr North East

Partly cloudy. Light winds becoming north to northwesterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures between 17 and 23.

Banks Strait and Franklin

Wind
North to northeasterly below 10 knots increasing to 10 to 15 knots in the early morning then becoming north to northwesterly about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
East to northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A near-stationary high-pressure system persists over the Tasman Sea. As a result warm north to northeasterly flow will continue into the weekend. A a slow-moving low pressure system and cold front build over the Bight and are expected to move over Tasmania early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

April Temperature

Swan Island (12km)

  • Lowest 18 April, 2026

    8.4 °C

  • Average April

    15.4 °C

  • Highest 1 April, 2026

    22.2 °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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