Descartes Bay Weather Forecast

    • 10
    • 15

    Showers. Windy

    • 9
    • 15

    Showers easing

    • 7
    • 15

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 6
    • 16

    Mostly sunny

Today 13 Jul South West

Cloudy. Very high chance of showers. Winds northwesterly 25 to 40 km/h. Overnight temperatures falling to around 8 with daytime temperatures reaching around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 25 to 30 knots, reaching up to 35 knots in the afternoon. Winds tending west to southwesterly 20 to 25 knots in the late evening.
Seas
2.5 to 3 metres.
1st Swell
Westerly 5 to 6 metres, tending southwesterly 6 metres later in the evening.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the far east.
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

    9.3 °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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