Golden Bay Weather Forecast

    • 17
    • 28

    Mostly sunny

    • 21
    • 25

    Mostly sunny

    • 17
    • 20

    Showers increasing

    • 14
    • 18

    Showers easing. Wind easing

    • 14
    • 19

    Possible shower

    • 13
    • 21

    Mostly sunny

    • 15
    • 20

    Shower or two

Today 16 Sep Mandurah

Mostly sunny. Slight chance of a shower, most likely during this afternoon and early evening. The chance of a thunderstorm during this afternoon and early evening. Winds east to northeasterly 15 to 25 km/h becoming light in the middle of the day then becoming east to northeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 10 to 15 knots tending northeasterly in the morning then becoming variable about 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Mostly sunny. The chance of a thunderstorm during this afternoon and early evening.
Weather Situation
A trough extends down the west coast. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the local waters on Friday before the next ridge begins to develop.
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  • Temperature Forecast Bureau of Meteorology

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Golden Bay Temperature Statistics View More

September Temperature

Mandurah (11km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16.2 °C

  • Highest 9 September, 2026

    22.2 °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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