Portland Bay Weather Forecast

    • 9
    • 23

    Partly cloudy

    • 11
    • 24

    Mostly sunny

    • 12
    • 25

    Partly cloudy

    • 14
    • 26

    Mostly sunny

    • 16
    • 24

    Showers

    • 12
    • 20

    Cloudy

    • 12
    • 28

    Shower or two

Today 16 Oct South West

Partly cloudy. Winds northeasterly 15 to 20 km/h becoming light in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 10 to 15 knots, reaching up to 20 knots in the east in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system centred over the Tasman Sea will move very slowly eastwards over the weekend and on Monday. A weakening trough will move over western and central parts of Victoria on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

October Temperature

Portland Airport (25 km)

  • Lowest 7 October, 2026

    4.9 °C

  • Average October

    12.8 °C

  • Highest 11 October, 2026

    24.1 °C

Climate (2021–2026)

Portland Airport (25 km)

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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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