Descartes Bay Weather Forecast

    • 12
    • 18

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 18

    Cloudy

    • 11
    • 20

    Cloudy

    • 10
    • 28

    Sunny

    • 14
    • 32

    Sunny

    • 17
    • 28

    Becoming cloudy

Today 24 Dec South West

Cloudy. Slight chance of a shower in the south, becoming less likely in the afternoon. Near zero chance of rain elsewhere. Winds west to southwesterly 25 to 35 km/h tending south to southwesterly 20 to 30 km/h during the afternoon and evening. Daytime maximum temperatures between 18 and 21.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the far east during the day.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure will slowly develop from the west with the high pressure centre moving south of the state on Friday. The high will begin to weaken and move over Tasmania on Saturday but will maintain a broad ridge over the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

December Temperature

Portland Airport (7km)

  • Lowest 5 December, 2025

    6.9 °C
  • Average December

    14.9 °C
  • Highest 18 December, 2025

    34.4 °C

Climate (2020–Present)

Portland Airport (7km)

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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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