Portland Bay Weather Forecast

    • 3
    • 16

    Partly cloudy

    • 4
    • 20

    Sunny

    • 9
    • 23

    Cloudy

    • 12
    • 21

    Shower or two

    • 11
    • 16

    Shower or two

    • 9
    • 20

    Partly cloudy

    • 11
    • 27

    Partly cloudy

Today 22 Sep South West

Mostly sunny. Areas of morning frost. Light winds becoming east to southeasterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between minus 1 and 3 above zero with daytime temperatures reaching around 16.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy.
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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

    12 °C

  • Highest 20 September, 2026

    24.7 °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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