Portland Bay Weather Forecast

    • 9
    • 16

    Light shower or two

    • 8
    • 15

    Shower or two

    • 6
    • 14

    Possible shower

    • 5
    • 15

    Partly cloudy

    • 5
    • 18

    Mostly sunny

    • 7
    • 19

    Partly cloudy

    • 10
    • 17

    Shower or two

Today 13 Aug South West

Cloudy. High chance of light showers near the Otways, medium chance elsewhere. Winds westerly 15 to 25 km/h becoming light in the evening. 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 far east in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres in the east.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A high pressure system developing south of the Bight extends a ridge over Victoria. The high will drift slowly to the southeast over Tasmania over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

August Temperature

Portland Airport (25km)

  • Lowest 2 August, 2026

    2.2 °C

  • Average August

    10 °C

  • Highest 8 August, 2026

    16.4 °C

Climate (2021–2026)

Portland Airport (25km)

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

  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.2 °C
Get WillyWeather+ to remove ads