Portland Bay Weather Forecast

    • 8
    • 17

    Showers

    • 7
    • 16

    Showers. Windy

    • 9
    • 19

    Cloudy

    • 8
    • 27

    Sunny

    • 14
    • 24

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 19

    Possible shower

Today 30 Nov South West

Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds in the afternoon and early evening. Winds westerly 20 to 30 km/h. Overnight temperatures falling to around 7 with daytime temperatures reaching around 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots increasing to 20 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the west in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
1st Swell
Southwesterly 2 to 2.5 metres, tending westerly 2 to 2.5 metres by early evening.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • 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

    12.8 °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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