Cape Portland Weather Forecast

    • 13
    • 24

    Partly cloudy

    • 11
    • 18

    Windy

    • 8
    • 19

    Windy

    • 6
    • 19

    Sunny

    • 9
    • 23

    Partly cloudy

    • 10
    • 25

    Partly cloudy

    • 12
    • 21

    Shower

Today 13 Dec North East

Partly cloudy. Slight chance of a shower in the afternoon. The chance of a thunderstorm in the afternoon. Winds northwesterly 15 to 25 km/h. Daytime maximum temperatures in the low to high 20s.

Banks Strait and Franklin

Wind
Northwesterly about 10 knots increasing to 10 to 15 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
East to northeasterly 1 to 1.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A weak cold front is crosses Tasmania today, ahead of a second stronger cold front to cross early tomorrow. The next high pressure system in the Bight is then forecast to move eastwards over Tasmania by late Monday and into the Tasman Sea on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

December Temperature

Swan Island (12km)

  • Lowest 2 December, 2025

    8.3 °C

  • Average December

    14.7 °C

  • Highest 4 December, 2025

    22.8 °C

Climate (2020–Present)

Swan Island (12km)

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

  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    17.5 °C
Get WillyWeather+ to remove ads