Northern Harbour Weather Forecast

    • 9
    • 20

    Cloudy

    • 11
    • 21

    Partly cloudy

    • 14
    • 20

    Rain

    • 12
    • 19

    Showers

    • 9
    • 17

    Shower or two

    • 8
    • 18

    Partly cloudy

    • 7
    • 19

    Mostly sunny

Today 17 Aug Perth

Cloudy. Winds easterly 15 to 20 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 10 to 15 knots turning northeasterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A weak trough near the west coast will move east from Monday ahead of a cold front moving over the area on Tuesday. A southwesterly airstream will continue behind the front easing later Wednesday and Thursday as a ridge develops over the west coast.
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  • Temperature Forecast Bureau of Meteorology

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Northern Harbour Temperature Statistics View More

August Temperature

Jandakot Airport (12km)

  • Lowest 15 August, 2025

    2.3 °C

  • Average August

    13.3 °C

  • Highest 13 August, 2025

    26.1 °C

Climate (2020–Present)

Jandakot Airport (12km)

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  • Average Low 2020–2025

    12.6 °C

  • Average 2020–2025

    18.7 °C

  • Average High 2020–2025

    25.4 °C
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