Cape Duquesne Weather Forecast

    • 11
    • 20

    Shower or two

    • 11
    • 19

    Cloudy

    • 12
    • 19

    Possible shower

    • 11
    • 17

    Cloudy

    • 11
    • 19

    Cloudy

    • 11
    • 24

    Partly cloudy

    • 13
    • 30

    Sunny

Today 22 Dec South West

Cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds westerly 20 to 30 km/h. Daytime maximum temperatures between 19 and 22.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 20 knots tending westerly 15 to 25 knots in the early morning.
Seas
1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure ridge builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself over Bass Strait from Tuesday to Thursday.
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 5 December, 2025

    6.9 °C

  • Average December

    15.1 °C

  • Highest 18 December, 2025

    34.4 °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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