Portland Weather Forecast

    • 10
    • 16

    Becoming windy. Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 12
    • 23

    Shower or two

    • 11
    • 17

    Shower or two

    • 9
    • 16

    Shower or two

    • 9
    • 14

    Showers

    • 9
    • 14

    Possible shower

Today 17 Oct South West

Partly cloudy. Medium chance of showers in the southeast, slight chance elsewhere. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening. Overnight temperatures falling to around 9 with daytime temperatures reaching between 16 and 19.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A cold front over eastern Bass Strait will move over the Tasman Sea early today. A high pressure system will develop over the Bight on Friday then will move across Victoria during Saturday to be centred over the Tasman Sea late Saturday or early Sunday. A trough will move into western Victoria later on Sunday then over the remainder of the State on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Temperature Statistics View More

October Temperature

Cape Nelson Lighthouse (10km)

  • Lowest 2 October, 2025

    8.2 °C

  • Average October

    13.5 °C

  • Highest 4 October, 2025

    23.9 °C

Climate (2020–Present)

Cape Nelson Lighthouse (10km)

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

  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.6 °C
Get WillyWeather+ to remove ads