Portland Bay Weather Forecast

    • 11
    • 23

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 11
    • 29

    Sunny

    • 13
    • 26

    Cloud clearing

    • 16
    • 28

    Showers

    • 13
    • 20

    Partly cloudy

    • 9
    • 22

    Mostly sunny

Today 18 Feb South West

Partly cloudy. Winds westerly 25 to 35 km/h tending west to southwesterly 15 to 25 km/h in the evening then becoming light in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 25 knots, reaching up to 30 knots in the east in the late afternoon.
Seas
2 metres.
1st Swell
Southwesterly 4 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system lies over the Bight and extends a ridge east over Victoria and Bass Strait. The high moves over Bass Strait on Thursday and into the Tasman Sea on Friday. A weak front crosses Bass Strait during Friday before another stronger front is forecast to cross Bass Strait on Sunday into Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

February Temperature

Portland Airport (25km)

  • Lowest 6 February, 2026

    5.8 °C
  • Average February

    17 °C
  • Highest 16 February, 2026

    36.2 °C

Climate (2021–Present)

Portland Airport (25km)

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  • Average Low 2021–2026

    9.6 °C
  • Average 2021–2026

    13.4 °C
  • Average High 2021–2026

    18.1 °C
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