Portland Bay Weather Forecast

    • 8
    • 19

    Partly cloudy

    • 10
    • 23

    Shower or two

    • 11
    • 20

    Partly cloudy

    • 9
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

    • 8
    • 27

    Mostly sunny

    • 14
    • 23

    Possible shower

Today 7 Dec South West

Partly cloudy. Slight chance of a shower near the Otways in the morning. Near zero chance of rain elsewhere. Winds westerly 20 to 30 km/h becoming light in the late evening. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 18 and 21.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds turning west to northwesterly 15 to 20 knots in the late morning and afternoon.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

December Temperature

Portland Airport (25km)

  • Lowest 5 December, 2025

    6.9 °C

  • Average December

    14.4 °C

  • Highest 4 December, 2025

    26.4 °C

Climate (2020–Present)

Portland Airport (25km)

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

  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.1 °C
Get WillyWeather+ to remove ads