Dawesville - Oceanside Weather Forecast

    • 22
    • 38

    Sunny

    • 22
    • 37

    Sunny

    • 23
    • 36

    Mostly sunny

    • 19
    • 25

    Partly cloudy

    • 15
    • 25

    Sunny

    • 19
    • 25

    Shower or two

    • 17
    • 23

    Partly cloudy

Today 20 Jan Mandurah

Sunny. Winds east to southeasterly 15 to 25 km/h tending southeast to southwesterly 20 to 30 km/h in the middle of the day then tending southeasterly in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 10 to 15 knots turning southerly 15 to 20 knots in the middle of the day then tending southeasterly 10 to 15 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Weather
Sunny.
Weather Situation
A ridge lies south of the State with a high pressure centre moving into the Bight during Tuesday and Wednesday. A west coast trough is developing and will deepen during Tuesday and Wednesday before moving inland on Thursday.
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

    23.9 °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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