Cape Portland Weather Forecast

    • 18
    • 27

    Partly cloudy

    • 14
    • 26

    Shower

    • 15
    • 20

    Windy

    • 10
    • 21

    Partly cloudy

    • 10
    • 23

    Partly cloudy

    • 11
    • 24

    Partly cloudy

    • 13
    • 21

    Shower

Today 8 Jan North East

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon and early evening. Winds northwesterly 15 to 20 km/h tending northwest to northeasterly in the late afternoon then tending northeast to southeasterly in the evening. Daytime maximum temperatures in the mid to high 20s.

Banks Strait and Franklin

Wind
West to southwesterly 10 to 15 knots shifting southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
East to northeasterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A trough lingers off the northeast coast during Thursday before its forecast to move eastwards on Friday, as a ridge of high pressure extends over Tasmania from the west. A cold front is expected to cross the state early Saturday, followed by another trough in the evening. A high pressure system will move to a position over waters south of the Bight on Sunday and will extend a ridge over Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

January Temperature

Swan Island (12km)

  • Lowest 1 January, 2026

    11.3 °C

  • Average January

    16.9 °C

  • Highest 5 January, 2026

    21.1 °C

Climate (2021–Present)

Swan Island (12km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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