Portland Weather Forecast

    • 12
    • 18

    Showers

    • 11
    • 20

    Showers

    • 10
    • 16

    Cloudy

    • 7
    • 17

    Partly cloudy

    • 7
    • 21

    Shower or two

    • 10
    • 18

    Partly cloudy

    • 10
    • 21

    Mostly sunny

Today 15 Apr South West

Cloudy. High chance of showers in the south, slight chance elsewhere. Winds west to northwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 18 and 21.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to southwesterly about 10 knots tending northwesterly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure system over South Australia maintains a ridge over northern Victoria over the next few days, while a mostly westerly flow continues over Bass Strait. A weak cold front is expected to cross Bass Strait early today, with another stronger front to follow late Thursday. A high pressure system will move Victoria over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (10km)

  • Lowest 8 April, 2026

    9.4 °C

  • Average April

    14.9 °C

  • Highest 9 April, 2026

    21.4 °C

Climate (2021–Present)

Cape Nelson Lighthouse (10km)

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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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