Hillarys Boat Harbour Weather Forecast

    • 12
    • 20

    Showers

    • 14
    • 19

    Showers easing. Wind easing

    • 12
    • 19

    Showers

    • 10
    • 19

    Early shower or two

    • 8
    • 21

    Partly cloudy

    • 9
    • 21

    Sunny

    • 9
    • 23

    Mostly sunny

Today 3 Sep Perth

Cloudy. High chance of showers. Winds northwesterly 15 to 20 km/h tending westerly 20 to 30 km/h in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 10 to 15 knots turning westerly 15 to 25 knots in the early afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A moderate cold front will cross the local waters early Friday. A stronger cold front will cross the west coast on Saturday night. A new ridge will develop to the south from Sunday and will bring southeasterly change.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hillarys Boat Harbour Temperature Statistics View More

September Temperature

Swanbourne (15km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    14.1 °C

  • Highest 1 September, 2026

    18.4 °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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