Flat Island Weather Forecast

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    • 24

    Partly cloudy

    • 22
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    Partly cloudy

    • 23
    • 24

    Partly cloudy

    • 21
    • 25

    Sunny

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    Sunny

    • 22
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    Sunny

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    Sunny

Today 16 Sep Pilbara

Partly cloudy. Slight chance of a shower inland, becoming less likely in the late afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm inland. Winds northeast to southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Southwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres about offshore western waters.
Weather
Mostly sunny.
Weather Situation
A trough extends from the Kimberley to the western Pilbara coast with a ridge dominating inland parts. From Thursday the trough is confined to the western Pilbara coast, before moving east for the start of the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Island Temperature Statistics View More

September Temperature

Thevenard Island (44km)

  • Lowest 6 September, 2026

    16.4 °C

  • Average September

    22.8 °C

  • Highest 2 September, 2026

    29.5 °C

Climate (2021–2026)

Thevenard Island (44km)

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  • Average Low 2021–2026

    22.3 °C

  • Average 2021–2026

    25.7 °C

  • Average High 2021–2026

    30.2 °C
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