Cape Duquesne Weather Forecast

    • 4
    • 18

    Clear

    • 7
    • 19

    Mostly sunny

    • 11
    • 18

    Shower or two

    • 8
    • 15

    Shower or two

    • 5
    • 17

    Mostly sunny

    • 7
    • 19

    Shower or two

    • 10
    • 18

    Showers

Today 20 Aug South West

Clear. Winds northeasterly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots in the far west in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southwesterly 2.5 metres.
Weather
Clear.
Weather Situation
A large high pressure system centred over the Tasman Sea will extend a ridge over Victoria during Wednesday and Thursday, then will move eastwards late Thursday and Friday. A couple of weakening cold fronts will move across coastal waters later Friday and early Saturday then another high pressure system moves in quickly, to be centred over southwestern Victoria late Saturday. This high will move eastwards on Sunday then a series of cold fronts will move across early to mid next week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Duquesne Temperature Statistics View More

August Temperature

Portland Airport (11km)

  • Lowest 3 August, 2025

    2.1 °C
  • Average August

    10 °C
  • Highest 11 August, 2025

    18.4 °C

Climate (2020–Present)

Portland Airport (11km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    9.7 °C
  • Average 2020–2025

    13.5 °C
  • Average High 2020–2025

    18.1 °C
Get WillyWeather+ to remove ads