Discovery Bay Weather Forecast

    • 15
    • 20

    Showers. Wind easing

    • 11
    • 17

    Shower or two

    • 8
    • 15

    Shower or two

    • 8
    • 13

    Shower or two

    • 8
    • 14

    Shower or two

    • 9
    • 15

    Shower or two

    • 8
    • 18

    Partly cloudy

Today 7 Sep South West

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm, possibly severe with damaging winds, large hail and possible heavy falls. Winds north to northeasterly 30 to 45 km/h turning northwesterly 25 to 35 km/h in the early afternoon then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to around 14 with daytime temperatures reaching around 20.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 20 to 30 knots turning northwesterly in the late morning and afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm with possible hail.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Discovery Bay Temperature Statistics View More

September Temperature

Portland Airport (12km)

  • Lowest 5 September, 2025

    2.2 °C

  • Average September

    9.6 °C

  • Highest 2 September, 2025

    15.4 °C

Climate (2020–Present)

Portland Airport (12km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    18.1 °C
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