Flat Island Weather Forecast

    • 23
    • 24

    Partly cloudy

    • 22
    • 24

    Cloudy

    • 21
    • 24

    Partly cloudy

    • 20
    • 23

    Cloudy

    • 16
    • 22

    Windy

    • 16
    • 22

    Sunny

    • 17
    • 22

    Partly cloudy

Today 5 Aug Pilbara

Mostly sunny. The chance of morning fog in the west. Medium chance of showers in the far west, becoming less likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds east to southeasterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures 28 to 33.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Mostly sunny. The chance of morning fog east of Barrow Island with reduced visibility.
Weather Situation
A trough extends from the Kimberley through the Pilbara. A weak cloud band brings unseasonal rain to the western Pilbara for the remainder of today.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Island Temperature Statistics View More

August Temperature

Thevenard Island (44km)

  • Lowest 2 August, 2026

    15.4 °C

  • Average August

    22.1 °C

  • Highest 1 August, 2026

    28.6 °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

    30.3 °C
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