Avalon Weather Forecast

    • 14
    • 18

    Showers. Very windy

    • 12
    • 16

    Shower or two

    • 10
    • 17

    Shower or two

    • 14
    • 19

    Showers

    • 12
    • 17

    Shower or two

    • 12
    • 18

    Cloudy

    • 10
    • 19

    Cloudy

Today 14 Sep Mandurah

Cloudy. Very high chance of showers, becoming less likely this afternoon. The chance of a thunderstorm during the morning and afternoon. Damaging winds possible. Winds northwesterly 35 to 50 km/h tending westerly 40 to 60 km/h in the morning then tending southwesterly 30 to 40 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 25 to 35 knots, shifting west to southwesterly in the afternoon and easing to 25 to 30 knots in the evening.
Seas
2 metres, increasing to 2.5 to 3 metres during the morning.
1st Swell
Westerly 1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Caution
Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
A strong cold front moving over the local waters on Sunday will bring strong and gusty westerly winds. A ridge then builds about the central west coast from Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Avalon Temperature Statistics View More

September Temperature

Mandurah (10km)

  • Lowest 8 September, 2025

    6.8 °C

  • Average September

    14.4 °C

  • Highest 12 September, 2025

    21.1 °C

Climate (2020–Present)

Mandurah (10km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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