South Island Weather Forecast

    • 19
    • 23

    Clear

    • 20
    • 24

    Sunny

    • 20
    • 24

    Sunny

    • 19
    • 24

    Sunny

    • 20
    • 24

    Partly cloudy

    • 21
    • 25

    Partly cloudy

    • 21
    • 25

    Partly cloudy

Today 12 Sep Pilbara

Clear. Winds west to northwesterly 15 to 20 km/h becoming light in the late evening.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
West to southwesterly 10 to 15 knots.
Seas
Below 1 metre, increasing to around 1 metre west of Onslow.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Clear.
Weather Situation
A broad southwest to northwest flow covers the coastal waters due to an inland trough. The trough will move closer to the Pilbara and Kimberley west coasts on Monday as a ridge develops through central Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

September Temperature

Onslow Airport (31km)

  • Lowest 6 September, 2026

    15.3 °C

  • Average September

    22.6 °C

  • Highest 2 September, 2026

    32 °C

Climate (2021–2026)

Onslow Airport (31km)

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  • Average Low 2021–2026

    20.5 °C

  • Average 2021–2026

    25.8 °C

  • Average High 2021–2026

    32.8 °C
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