Descartes Bay Weather Forecast

    • 7
    • 16

    Partly cloudy

    • 9
    • 13

    Showers. Becoming windy

    • 6
    • 12

    Showers

    • 7
    • 12

    Shower or two

    • 6
    • 14

    Partly cloudy

    • 4
    • 14

    Partly cloudy

    • 5
    • 15

    Shower or two

Today 27 Jul South West

Partly cloudy. The chance of morning fog in the northeast. Slight chance of a shower. Winds northerly 20 to 30 km/h. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots turning northerly 20 to 25 knots in the late morning. Winds reaching up to 30 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2 to 2.5 metres during the morning, then tending west to southwesterly 2.5 to 3 metres by early evening.
Weather
Partly cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

July Temperature

Portland Airport (7km)

  • Lowest 8 July, 2026

    0.5 °C

  • Average July

    10.1 °C

  • Highest 1 July, 2026

    17.1 °C

Climate (2021–2026)

Portland Airport (7km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.2 °C
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