Portland Harbour Weather Forecast

    • 9
    • 17

    Shower or two

    • 11
    • 18

    Mostly sunny

    • 13
    • 25

    Possible shower

    • 13
    • 19

    Possible shower

    • 11
    • 17

    Showers. Becoming windy

    • 10
    • 15

    Shower or two

    • 8
    • 16

    Shower or two

Today 22 Nov South West

Cloudy. High chance of showers, most likely in the late afternoon and evening. Light winds. Daytime maximum temperatures between 18 and 22.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure system to the south of the state is directing easterlies along the coast. A low pressure trough over South Australia is forecast to approach western Victoria late Saturday and slowly move over Victoria into Sunday, clearing to the east by Monday with a return to easterly flow as the high lies to the southeast of Tasmania. A secondary trough is forecast to move over the west later on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

November Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 11 November, 2025

    7.5 °C

  • Average November

    13 °C

  • Highest 2 November, 2025

    27.1 °C

Climate (2020–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.6 °C
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