Portland Harbour Weather Forecast

    • 8
    • 15

    Possible shower

    • 8
    • 15

    Cloudy

    • 5
    • 14

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 5
    • 15

    Mostly sunny

    • 8
    • 16

    Shower or two

    • 8
    • 16

    Shower or two

Today 15 Jul South West

Cloudy. The chance of morning fog in the northeast. Medium chance of showers near the Otways, slight chance elsewhere. Light winds becoming westerly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the east during the morning.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure system over the Bight will move east to be located just west of Victoria by Wednesday night before moving over the State on Thursday. The high will then move over the Tasman Sea on Friday and remain there over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Harbour Temperature Statistics View More

July Temperature

Cape Nelson Lighthouse (11km)

  • Lowest 6 July, 2026

    5.4 °C

  • Average July

    11.4 °C

  • Highest 1 July, 2026

    17.4 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.6 °C
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