Descartes Bay Weather Forecast

    • 8
    • 22

    Sunny

    • 10
    • 22

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 13
    • 21

    Showers increasing

    • 13
    • 20

    Showers

    • 13
    • 18

    Showers

    • 10
    • 18

    Shower or two

Today 12 May South West

Sunny. Winds east to northeasterly 15 to 20 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
Northeasterly 10 to 15 knots turning easterly in the late morning and early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A large high pressure system south of Victoria extends a ridge over the state, which will persist for most of the week as the high centre moves over the Tasman Sea. A cold front is expected to approach from the southwest late Friday.
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

    14.2 °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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