Portland Harbour Weather Forecast

    • 11
    • 16

    Showers

    • 12
    • 18

    Showers

    • 12
    • 19

    Shower or two

    • 12
    • 19

    Shower or two

    • 12
    • 18

    Showers

    • 10
    • 16

    Cloudy

    • 8
    • 16

    Cloudy

Today 12 Apr South West

Cloudy. High chance of showers. Winds west to southwesterly 25 to 40 km/h. Overnight temperatures falling to around 8 with daytime temperatures reaching around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 20 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Southwesterly 4 to 6 metres, decreasing to 4 metres later in the evening.
Weather
Cloudy. 90% chance of showers.
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 8 April, 2026

    9.4 °C

  • Average April

    15.1 °C

  • Highest 9 April, 2026

    21.4 °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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