Portland Harbour Weather Forecast

    • 11
    • 25

    Clear

    • 14
    • 24

    Mostly sunny

    • 15
    • 25

    Possible shower

    • 12
    • 20

    Shower or two

    • 10
    • 19

    Partly cloudy

    • 10
    • 23

    Partly cloudy

    • 11
    • 19

    Partly cloudy

Today 23 Apr South West

Clear. Winds northerly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 10 to 15 knots turning northerly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Clear.
Weather Situation
A high pressure system over the southern Tasman Sea extends a ridge over Victoria. The high remains near stationary over the coming days. A trough approaches from the west on Saturday, before weakening over western Victoria Sunday with the ridge remaining dominant.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 19 April, 2026

    9.2 °C

  • Average April

    15.1 °C

  • Highest 19 April, 2026

    23 °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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