Portland Bay Weather Forecast

    • 8
    • 14

    Cloudy

    • 8
    • 14

    Cloudy

    • 7
    • 15

    Cloudy

    • 4
    • 21

    Mostly sunny

    • 10
    • 24

    Sunny

    • 13
    • 21

    Shower or two. Windy

    • 9
    • 15

    Cloudy

Today 15 Sep South West

Cloudy. Slight chance of a shower near the Otways, near zero chance elsewhere. Winds southerly 15 to 25 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 15 to 20 knots, reaching up to 25 knots in the east.
Seas
2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A strong high pressure system south of the Bight is directing a cold southwesterly airstream across Victoria. The high will move slowly east on Wednesday and extend a ridge across southern Victoria, with the high moving over western Victoria by Thursday night. Winds will tend warmer northwesterly on Friday and into Saturday as the high moves slowly over NSW.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

September Temperature

Portland Airport (25km)

  • Lowest 8 September, 2026

    2.1 °C

  • Average September

    11.8 °C

  • Highest 13 September, 2026

    22.1 °C

Climate (2021–2026)

Portland Airport (25km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.2 °C
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