Hillarys Boat Harbour Weather Forecast

    • 10
    • 18

    Possible shower

    • 8
    • 20

    Partly cloudy

    • 10
    • 21

    Partly cloudy

    • 12
    • 22

    Sunny

    • 14
    • 21

    Showers increasing

    • 10
    • 18

    Partly cloudy

    • 11
    • 18

    Cloudy

Today 27 Aug Perth

Cloudy. Medium chance of showers, becoming less likely early this evening. Winds southerly 15 to 25 km/h turning southeasterly 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the late afternoon. Winds tending southeasterly in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge is developing to the south. A trough will move to the west coast from inland areas by Monday, before pushing inland again as a cold front sweeps through local waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hillarys Boat Harbour Temperature Statistics View More

August Temperature

Swanbourne (15km)

  • Lowest 11 August, 2026

    5.1 °C

  • Average August

    14.5 °C

  • Highest 16 August, 2026

    24.6 °C

Climate (2021–2026)

Swanbourne (15km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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