Descartes Bay Weather Forecast

    • 16
    • 24

    Partly cloudy

    • 11
    • 25

    Mostly sunny

    • 15
    • 26

    Mostly sunny

    • 15
    • 26

    Possible shower

    • 12
    • 21

    Shower or two

    • 11
    • 21

    Partly cloudy

    • 11
    • 23

    Partly cloudy

Today 22 Apr South West

Partly cloudy. Slight chance of a shower in the southwest, near zero chance elsewhere. Winds north to northwesterly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures in the mid 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northwesterly 15 to 20 knots becoming variable about 10 knots in the middle of the day then becoming southerly 10 to 15 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will continue to persist over Victoria in the coming days. A weak trough is expected to clip the southwest and pass through Bass Strait today, briefly interrupting the ridge before it re-establishes on Thursday. This ridge will slowly drift into the Tasman Sea but will still linger in the east when a weak front will clip the southwest coast on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

April Temperature

Portland Airport (7km)

  • Lowest 19 April, 2026

    4.8 °C

  • Average April

    13.9 °C

  • Highest 19 April, 2026

    22.7 °C

Climate (2021–Present)

Portland Airport (7km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.1 °C
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