Portland Bay Weather Forecast

    • 9
    • 15

    Showers. Windy

    • 8
    • 16

    Showers easing

    • 7
    • 16

    Cloudy

    • 7
    • 16

    Partly cloudy

    • 4
    • 14

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 6
    • 16

    Mostly sunny

Today 13 Jul South West

Cloudy. High chance of showers. Winds west to northwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 25 to 30 knots, reaching up to 35 knots in the late afternoon.
Seas
2.5 to 3 metres.
1st Swell
Westerly 6 metres, tending southwesterly 6 metres by early evening.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the far east.
Weather Situation
A cold front embedded in a westerly airstream will cross southern Victoria tonight, with another front expected to cross southern Victoria on Tuesday afternoon. A high pressure system will move over the Bight on Tuesday night before approaching western Victoria on Wednesday. The high will then cross Victoria on Thursday before moving over the Tasman Sea on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

July Temperature

Portland Airport (25km)

  • Lowest 8 July, 2026

    0.5 °C

  • Average July

    9.3 °C

  • Highest 1 July, 2026

    17.1 °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