Portland Harbour Weather Forecast

    • 9
    • 16

    Shower or two

    • 8
    • 15

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 17

    Shower or two

    • 11
    • 21

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 13
    • 20

    Shower or two

Today 19 Nov South West

Partly cloudy. Medium chance of showers near the coast, slight chance elsewhere. Winds westerly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening. Daytime maximum temperatures between 16 and 19.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 25 knots, reaching up to 30 knots in the east in the early afternoon.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A high well to the west will continue to direct a cool west to southwesterly flow across the state this week. The flow will gradually ease and turn south to southeasterly as the high moves eastwards this week to be over Tasmania by the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

November Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 11 November, 2025

    7.5 °C

  • Average November

    13.1 °C

  • Highest 2 November, 2025

    27.1 °C

Climate (2020–Present)

Cape Nelson Lighthouse (11km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.6 °C
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