Portland Bay Weather Forecast

    • 11
    • 18

    Shower or two

    • 9
    • 17

    Shower or two

    • 7
    • 16

    Partly cloudy

    • 7
    • 17

    Cloudy

    • 7
    • 20

    Cloudy

    • 10
    • 25

    Shower or two

    • 13
    • 23

    Partly cloudy

Today 18 Nov South West

Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 25 knots, reaching up to 30 knots offshore in the late afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southwesterly 3 metres.
Weather
Partly cloudy. 50% 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 Bay Temperature Statistics View More

November Temperature

Portland Airport (25km)

  • Lowest 14 November, 2025

    5.6 °C

  • Average November

    12.1 °C

  • Highest 2 November, 2025

    25.5 °C

Climate (2020–Present)

Portland Airport (25km)

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

  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.1 °C
Get WillyWeather+ to remove ads