Golden Bay Weather Forecast

    • 13
    • 18

    Showers

    • 12
    • 19

    Possible early shower

    • 10
    • 21

    Mostly sunny

    • 11
    • 21

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 14
    • 21

    Shower or two

Today 5 Sep Mandurah

Cloudy. Very high chance of showers. Winds northerly 20 to 30 km/h tending northwesterly in the middle of the day then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 15 to 20 knots becoming variable about 10 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
Northwesterly winds developed over the local waters ahead of a stronger cold front which will cross the west coast later today. A new ridge will develop to the south from Sunday and will bring southeasterly change.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Golden Bay Temperature Statistics View More

September Temperature

Mandurah (11km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    15.3 °C

  • Highest 3 September, 2026

    18 °C

Climate (2021–2026)

Mandurah (11km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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