Portland Harbour Weather Forecast

    • 11
    • 20

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 13
    • 18

    Cloudy

    • 13
    • 21

    Partly cloudy

    • 14
    • 24

    Possible shower

    • 17
    • 24

    Shower or two

    • 18
    • 27

    Shower or two

Today 23 Feb South West

Mostly sunny. Winds south to southwesterly 15 to 20 km/h turning southeasterly 15 to 25 km/h during the morning. Daytime maximum temperatures in the low to mid 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming east to southeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A cold front is located in the far east and will continue moving away to the east. A high pressure system will drift quickly across the state today ahead of a trough that is forecast to pass slowly over Victoria during Tuesday and Wednesday. Another trough will develop over the state later this week as a high passes to the south later this week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

February Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 6 February, 2026

    11 °C

  • Average February

    17.6 °C

  • Highest 16 February, 2026

    36.4 °C

Climate (2021–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.6 °C
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