Dawesville - Oceanside Weather Forecast

    • 10
    • 20

    Mostly sunny

    • 12
    • 19

    Partly cloudy

    • 11
    • 18

    Mostly sunny

    • 8
    • 17

    Mostly sunny

    • 12
    • 19

    Showers

    • 12
    • 17

    Showers

    • 10
    • 17

    Shower or two

Today 21 Aug Mandurah

Mostly sunny. Light winds becoming south to southwesterly 15 to 20 km/h in the late afternoon then tending south to southeasterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly about 10 knots tending southerly 10 to 15 knots in the early afternoon then tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Sunny.
Weather Situation
A weak ridge lies across southern WA. A trough will deepen down the west coast later today, pushing inland later on Saturday ahead of a weak front reaching the lower west coast during Sunday. A new ridge will develop over the area later Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dawesville - Oceanside Temperature Statistics View More

August Temperature

Mandurah (15km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14.4 °C

  • Highest 16 August, 2026

    22.3 °C

Climate (2021–2026)

Mandurah (15km)

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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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