Portland Bay Weather Forecast

    • 10
    • 16

    Cloudy

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Possible shower

    • 9
    • 18

    Cloudy

    • 7
    • 20

    Sunny

    • 9
    • 22

    Partly cloudy

    • 10
    • 22

    Possible shower

Today 8 May South West

Cloudy. Slight chance of a light shower. Winds southwesterly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A large high pressure system in the Bight continues to build and will slowly drift eastwards over the coming days, moving south of Victoria early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

May Temperature

Portland Airport (25km)

  • Lowest 3 May, 2026

    10.6 °C

  • Average May

    14.8 °C

  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (25km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.1 °C
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