Portland Bay Weather Forecast

    • 10
    • 19

    Possible shower

    • 9
    • 17

    Shower or two

    • 9
    • 20

    Showers increasing

    • 10
    • 17

    Shower or two

    • 8
    • 17

    Showers

    • 8
    • 16

    Showers. Becoming windy

    • 9
    • 18

    Possible shower

Today 26 Nov South West

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds westerly 30 to 45 km/h decreasing to 20 to 30 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 20 to 30 knots.
Seas
2.5 to 3 metres.
1st Swell
Westerly 1.5 to 2.5 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A trough moves over the state late Wednesday. A cold front moves over Bass Strait early Thursday, as a weak ridge of high pressure moves in from the west. A low pressure trough is forecast to approach the west of Victoria on Friday, crossing during Saturday ahead of a high pressure ridge to extend over the state from the west later and extend over the state Sunday.
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  • 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

    12.7 °C

  • Highest 2 November, 2025

    25.5 °C

Climate (2020–Present)

Portland Airport (25km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.1 °C
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