Portland Bay Weather Forecast

    • 10
    • 15

    Shower or two

    • 7
    • 16

    Shower or two

    • 7
    • 17

    Possible shower

    • 8
    • 18

    Shower or two

    • 10
    • 20

    Cloudy

    • 9
    • 22

    Possible shower

    • 13
    • 23

    Shower or two

Today 25 Oct South West

Partly cloudy. High chance of showers near the Otways, medium chance elsewhere. Possible small hail near the coast later this evening. Winds southwesterly 20 to 30 km/h tending westerly 15 to 20 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to southwesterly 15 to 20 knots, reaching up to 25 knots in the far west in the evening.
Seas
1.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. 60% chance of showers, with possible small hail.
Weather Situation
A low pressure trough over eastern Victoria will clear the State tonight. A cool to cold west to southwesterly airstream will follow on Monday and Tuesday as a ridge of high pressure extends over northwestern Victoria. A cold front is expected to clip southern Victoria on Wednesday before a high pressure system crosses southern Victoria on Thursday.
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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

    14.4 °C

  • Highest 22 October, 2026

    31 °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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