Flat Island Weather Forecast

    • 20
    • 24

    Sunny

    • 22
    • 24

    Partly cloudy

    • 23
    • 24

    Partly cloudy

    • 22
    • 24

    Partly cloudy

    • 20
    • 24

    Sunny

    • 18
    • 24

    Sunny

    • 19
    • 23

    Sunny

Today 19 Aug Pilbara

Mostly sunny. Slight chance of a shower in the far west, most likely in the afternoon and evening. Near zero chance of rain elsewhere. Light winds becoming west to northwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening. Daytime maximum temperatures 29 to 34.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Mostly sunny.
Weather Situation
A ridge in the north has dissipated as a weak trough becomes established from the eastern Kimberley into the North Interior. A ridge over southern WA later in the week will push the trough to the Kimberley on Friday. Meanwhile, a patchy cloud band is developing across western Pilbara waters.
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 13 August, 2026

    10.3 °C

  • Average August

    21.3 °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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