Fish Hook Bay Weather Forecast

    • 13
    • 18

    Shower or two

    • 13
    • 19

    Cloud clearing

    • 13
    • 21

    Sunny

    • 14
    • 22

    Sunny

    • 16
    • 22

    Sunny

    • 16
    • 22

    Sunny

    • 16
    • 21

    Sunny

Today 19 Sep Lower West

Partly cloudy. The chance of morning fog inland. Slight chance of a shower in the morning. Light winds becoming south to southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching around 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 10 to 15 knots tending south to southeasterly during the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fish Hook Bay Temperature Statistics View More

September Temperature

Rottnest Island (5km)

  • Lowest 8 September, 2025

    8.2 °C

  • Average September

    15 °C

  • Highest 12 September, 2025

    22.4 °C

Climate (2020–Present)

Rottnest Island (5km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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