Descartes Bay Weather Forecast

    • 18
    • 26

    Shower or two. Possible storm

    • 16
    • 26

    Sunny

    • 15
    • 22

    Shower or two

    • 13
    • 20

    Partly cloudy

    • 12
    • 23

    Mostly sunny

    • 13
    • 30

    Mostly sunny

    • 14
    • 24

    Partly cloudy

Today 19 Jan South West

Partly cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with damaging winds in the northwest. Winds east to northeasterly 15 to 25 km/h tending east to southeasterly in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 15 to 25 knots. Winds east of Warrnambool may reach up to 30 knots at times.
Seas
1 to 2 metres.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres in the far west.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Weather Situation
A high pressure system centred over the southern Tasman Sea will move away to the southeast Tuesday. A low pressure trough over western districts will move slowly northeastwards mid week. Another high develops over waters south of the Bight and extends a ridge over Victoria later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Descartes Bay Temperature Statistics View More

January Temperature

Portland Airport (7km)

  • Lowest 5 January, 2026

    5.7 °C

  • Average January

    16.6 °C

  • Highest 7 January, 2026

    37.3 °C

Climate (2021–Present)

Portland Airport (7km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.1 °C
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