Hillarys Boat Harbour Weather Forecast

    • 9
    • 20

    Shower or two

    • 11
    • 18

    Showers

    • 10
    • 17

    Showers. Windy

    • 8
    • 17

    Showers

    • 11
    • 18

    Showers. Becoming windy

    • 7
    • 17

    Shower or two

    • 8
    • 18

    Partly cloudy

Today 6 Aug Perth

Partly cloudy. High chance of showers in the southwest, medium chance elsewhere. Light winds becoming westerly 15 to 25 km/h in the middle of the day then tending northwesterly 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northwesterly 10 to 15 knots tending west to northwesterly in the late morning.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2.5 to 3 metres.
Weather
Becoming cloudy. 70% chance of showers.
Weather Situation
A weak ridge over inland southern WA is moving east ahead of a cold front which will cross the southwest corner of the state on Thursday afternoon. A stronger cold front will move over the South West Land Division during Friday night and Saturday and is associated with a vigorous southwesterly airstream. A broad ridge will extend over central WA from Saturday.
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 2 August, 2026

    6.1 °C

  • Average August

    14.5 °C

  • Highest 3 August, 2026

    21.9 °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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