Portland Bay Marina Weather Forecast

    • 10
    • 15

    Showers

    • 8
    • 15

    Shower or two

    • 8
    • 15

    Possible shower

    • 9
    • 17

    Shower or two

    • 10
    • 18

    Cloudy

    • 10
    • 21

    Shower or two

    • 13
    • 21

    Shower or two

Today 25 Oct South West

Cloudy. Very high chance of rain, becoming less likely in the late afternoon and evening. Possible small hail near the coast in the evening. Winds south to southwesterly 15 to 25 km/h increasing to 30 km/h before tending west to southwesterly 15 to 25 km/h during the afternoon and evening. Daytime maximum temperatures around 14.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 20 knots turning westerly in the evening. Winds reaching up to 25 knots in the far west in the evening.
Seas
1.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 80% chance of showers, with possible small hail in the late afternoon and evening.
Weather Situation
A low pressure trough over western Victoria will move east on Sunday, reaching central districts during the morning and eastern Victoria during the afternoon before clearing the State at night. A cool to cold west to southwesterly airstream will follow on Monday and Tuesday as a ridge of high pressure extends over northwestern Victoria. A cold front is expected to clip southern Victoria on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Marina Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (11 km)

  • Lowest 5 October, 2026

    7.8 °C

  • Average October

    15.3 °C

  • Highest 22 October, 2026

    33 °C

Climate (2021–2026)

Cape Nelson Lighthouse (11 km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    17.7 °C
Get WillyWeather+ to remove ads