Cape Portland Weather Forecast

    • 2
    • 19

    Cloudy

    • 8
    • 19

    Shower

    • 8
    • 16

    Shower

    • 4
    • 15

    Partly cloudy

    • 3
    • 16

    Partly cloudy

    • 3
    • 18

    Sunny

    • 8
    • 20

    Shower

Today 24 Sep North East

Cloudy. Winds north to northwesterly 15 to 20 km/h tending northwest to southwesterly in the late evening.

Banks Strait and Franklin

Wind
North to northwesterly about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Northeasterly below 1 metre.
Weather
Cloudy.
Weather Situation
A ridge extending over Tasmania from a high pressure system in the Tasman Sea weakens today, as a trough approaches from the west in the evening. A weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross early on Saturday. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

September Temperature

Swan Island (12km)

  • Lowest 16 September, 2026

    6.3 °C

  • Average September

    12.4 °C

  • Highest 20 September, 2026

    18.3 °C

Climate (2021–2026)

Swan Island (12km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.5 °C
Get WillyWeather+ to remove ads