Dawesville - Oceanside Weather Forecast

    • 23
    • 39

    Sunny

    • 25
    • 31

    Sunny

    • 18
    • 25

    Partly cloudy

    • 15
    • 25

    Sunny

    • 18
    • 25

    Shower or two

    • 18
    • 24

    Partly cloudy

    • 15
    • 27

    Sunny

Today 21 Jan Mandurah

The chance of smoke haze in the morning. Sunny afternoon. Winds easterly 25 to 35 km/h tending northeasterly 15 to 25 km/h in the morning then shifting south to southeasterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly 15 to 20 knots shifting south to southwesterly 10 to 15 knots in the middle of the day then tending south to southeasterly in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres around midday, then increasing to below 1 metre during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A deep trough offshore will move inland on Thursday as a ridge over the local waters weakens, ahead of a weak cold front brushing the south coast on Friday. A weak ridge will form in the southwest before another cold front approaches over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dawesville - Oceanside Temperature Statistics View More

January Temperature

Mandurah (15km)

  • Lowest 18 January, 2026

    15.8 °C

  • Average January

    24.1 °C

  • Highest 2 January, 2026

    35 °C

Climate (2021–Present)

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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