Cape Portland Weather Forecast

    • 7
    • 14

    Windy

    • 6
    • 13

    Windy

    • 5
    • 12

    Shower

    • 3
    • 13

    Windy

    • 7
    • 15

    Windy

    • 6
    • 15

    Shower

    • 5
    • 14

    Shower

Today 27 Aug North East

Cloudy. Very high chance of showers, most likely in the morning and afternoon. Snow falling above 900 metres. The chance of a thunderstorm in the morning and afternoon. Winds northwesterly 25 to 35 km/h increasing to 30 to 45 km/h in the morning then turning westerly in the early afternoon. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 8 and 14.

Banks Strait and Franklin

Wind
Northwesterly 20 to 30 knots, reaching up to 35 knots during the afternoon and evening. Winds tending westerly 25 to 30 knots in the early afternoon.
Seas
1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
1st Swell
West to northwesterly below 1 metre, increasing to 1 to 1.5 metres during the morning, increasing to 2 to 3 metres about Banks Strait during the afternoon.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Portland Temperature Statistics View More

August Temperature

Swan Island (12km)

  • Lowest 17 August, 2025

    5.2 °C

  • Average August

    11.7 °C

  • Highest 20 August, 2025

    17 °C

Climate (2020–Present)

Swan Island (12km)

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

  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    17.5 °C
Get WillyWeather+ to remove ads