Descartes Bay Weather Forecast

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    • 22

    Partly cloudy

    • 12
    • 22

    Partly cloudy

    • 13
    • 22

    Partly cloudy

    • 13
    • 20

    Showers

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    • 19

    Showers

    • 12
    • 19

    Shower or two

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    Showers

Today 13 May South West

Mostly sunny. Winds northeasterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures in the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
East to northeasterly 10 to 15 knots, reaching up to 20 knots in the far east in the late morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Weather
Mostly sunny.
Weather Situation
A large high pressure system centred southeast of Tasmania extends a ridge up the east coast of Australia, which will persist for most of the week as the high moves slowly southeastwards. A cold front is expected to approach from the southwest late Friday then move across Victoria over the weekend.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

May Temperature

Portland Airport (7km)

  • Lowest 7 May, 2026

    5.9 °C
  • Average May

    13.9 °C
  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (7km)

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  • Average Low 2021–2026

    9.6 °C
  • Average 2021–2026

    13.5 °C
  • Average High 2021–2026

    18.1 °C
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