Fays Bay Weather Forecast

    • 16
    • 21

    Showers increasing

    • 14
    • 19

    Showers easing. Very windy

    • 15
    • 19

    Possible shower

    • 14
    • 20

    Mostly sunny

    • 14
    • 19

    Possible morning shower

    • 13
    • 19

    Mostly sunny

    • 14
    • 19

    Mostly sunny

Today 18 Sep Lower West

Partly cloudy. The chance of morning fog. High chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm near the coast in the evening. Light winds becoming northwest to northeasterly 15 to 25 km/h in the morning then tending west to northwesterly 25 to 35 km/h in the early afternoon. Overnight temperatures falling to around 13 with daytime temperatures reaching the mid to high 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 10 to 15 knots turning west to northwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fays Bay Temperature Statistics View More

September Temperature

Rottnest Island (3km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    27.8 °C

Climate (2021–2026)

Rottnest Island (3km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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