Discovery Bay Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 14
    • 19

    Rain

    • 13
    • 17

    Showers

    • 9
    • 17

    Shower or two

    • 11
    • 16

    Showers

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Shower or two

Today 15 May South West

Partly cloudy. Slight chance of a shower in the southwest, near zero chance elsewhere. Winds northeasterly 20 to 30 km/h. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Discovery Bay Temperature Statistics View More

May Temperature

Portland Airport (12km)

  • Lowest 7 May, 2026

    5.9 °C

  • Average May

    13.9 °C

  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (12km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.1 °C
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