Portland Bay Weather Forecast

    • 6
    • 15

    Partly cloudy

    • 8
    • 16

    Possible shower

    • 8
    • 14

    Showers

    • 6
    • 13

    Showers easing

    • 7
    • 15

    Showers increasing

    • 9
    • 15

    Showers

    • 6
    • 15

    Shower or two

Today 20 Jul South West

Partly cloudy. Patchy fog in the morning and afternoon. Winds northerly 15 to 25 km/h. Overnight temperatures falling to between 3 and 6 with daytime temperatures reaching between 11 and 15.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres in the far west.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portland Bay Temperature Statistics View More

July Temperature

Portland Airport (25km)

  • Lowest 8 July, 2026

    0.5 °C

  • Average July

    9.7 °C

  • Highest 1 July, 2026

    17.1 °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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