Descartes Bay Weather Forecast

    • 7
    • 18

    Shower or two

    • 12
    • 18

    Rain easing. Storm clearing

    • 9
    • 14

    Possible shower

    • 8
    • 16

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 10
    • 23

    Shower or two

Today 25 Oct South West

Cloudy. High chance of showers in the north, medium chance elsewhere. The chance of a thunderstorm at night. Light winds becoming northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly about 10 knots increasing to 15 to 20 knots in the early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre around midday.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy. The chance of a thunderstorm in the west at night.
Weather Situation
A high pressure is moving eastwards over the Tasman Sea today as a low pressure system develops over the Bight. This low will move over Bass Strait on Sunday and will extend a cold front over Victoria. A broad trough will extend over Victoria early next week from a low pressure system centred to the north and a high pressure ridge will move over Tasmania.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

October Temperature

Portland Airport (7km)

  • Lowest 13 October, 2025

    3.5 °C

  • Average October

    12.6 °C

  • Highest 4 October, 2025

    23.9 °C

Climate (2020–Present)

Portland Airport (7km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    18.1 °C
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