Seal Island Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 9
    • 19

    Shower or two

    • 13
    • 17

    Showers

    • 11
    • 15

    Showers. Windy

    • 9
    • 15

    Showers increasing

    • 11
    • 16

    Showers

    • 9
    • 16

    Shower or two

Today 5 Aug Perth

Partly cloudy. Patchy fog about the hills early this morning. Slight chance of a shower. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
A weak ridge lies over the area with a cold front passing to the south. The ridge will weaken on Thursday ahead of the next cold front later Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Island Temperature Statistics View More

August Temperature

Garden Island (5km)

  • Lowest 2 August, 2026

    9.2 °C

  • Average August

    15 °C

  • Highest 3 August, 2026

    21.2 °C

Climate (2021–2026)

Garden Island (5km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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