Portland Bay Weather Forecast

    • 6
    • 16

    Mostly sunny

    • 4
    • 16

    Partly cloudy

    • 8
    • 14

    Showers. Wind easing

    • 5
    • 13

    Showers

    • 5
    • 13

    Showers

    • 6
    • 14

    Shower or two

    • 6
    • 15

    Shower or two

Today 6 Jul South West

Slight chance of a shower early this morning. The chance of morning fog in the west. Mostly sunny afternoon. Light winds. Daytime maximum temperatures around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northerly airstream over Victorian coastal waters as a low pressure system near Adelaide moves east. The low will weaken as it crosses Victoria today, with a ridge forecast to extend across Victoria and Bass Strait on Monday as a cold front approaches from the west. The front is forecast to cross Victorian coastal waters on Tuesday, with a weak ridge crossing Bass Strait on Wednesday as another front approaches from the west.
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 3 July, 2025

    1.6 °C

  • Average July

    8.7 °C

  • Highest 3 July, 2025

    14.8 °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