Portland Harbour Weather Forecast

    • 8
    • 22

    Mostly sunny

    • 12
    • 25

    Showers

    • 13
    • 17

    Shower or two

    • 8
    • 19

    Partly cloudy

    • 9
    • 23

    Showers

    • 11
    • 15

    Showers. Windy

    • 8
    • 15

    Showers easing

Today 5 Apr South West

Mostly sunny. The chance of fog in the east in the early morning. Winds northeast to southeasterly 15 to 20 km/h tending north to northeasterly in the morning then becoming light in the early afternoon. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
East to northeasterly 15 to 20 knots, reaching up to 25 knots in the far east during the morning. Winds tending east to southeasterly in the late afternoon then tending east to northeasterly in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

April Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 2 April, 2026

    12.1 °C

  • Average April

    15.8 °C

  • Highest 1 April, 2026

    20.9 °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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