Portland Harbour Weather Forecast

    • 8
    • 15

    Possible shower

    • 9
    • 17

    Shower or two

    • 11
    • 18

    Cloudy

    • 9
    • 23

    Partly cloudy

    • 13
    • 21

    Showers easing

    • 11
    • 18

    Shower or two

    • 10
    • 19

    Possible shower

Today 27 Oct South West

Partly cloudy. Medium chance of showers in the afternoon and early evening. Winds westerly 15 to 25 km/h tending southwesterly in the late afternoon then becoming light in the late evening. Daytime maximum temperatures around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A cool to cold west to southwesterly airstream persists over the state 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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (11 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    15.1 °C

  • Highest 22 October, 2026

    33 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11 km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
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