Cape Duquesne Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 18

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 9
    • 19

    Shower or two

    • 12
    • 18

    Cloudy

    • 9
    • 19

    Mostly sunny

Today 4 Dec South West

Partly cloudy. The chance of a thunderstorm with little or no rainfall in the afternoon and early evening. Winds northerly 20 to 30 km/h tending north to northwesterly 35 to 50 km/h in the early morning then shifting south to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 16 with daytime temperatures reaching around 30.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots turning southwesterly in the afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Westerly 2.5 metres, tending southwesterly 2.5 to 3 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over Victoria, strengthening this morning ahead of a trough which will cross the state later today. Another weak trough and low pressure system are expected to move over Victoria on Friday, before a cold front moves over the south during Saturday. A ridge of high pressure is then forecast to build over the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Duquesne Temperature Statistics View More

December Temperature

Portland Airport (11km)

  • Lowest 3 December, 2025

    7.2 °C

  • Average December

    12.6 °C

  • Highest 2 December, 2025

    16.8 °C

Climate (2020–Present)

Portland Airport (11km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.1 °C
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