South Island Weather Forecast

    • 27
    • 32

    Windy

    • 26
    • 30

    Sunny

    • 26
    • 31

    Windy

    • 25
    • 29

    Sunny

    • 25
    • 27

    Sunny

    • 25
    • 26

    Sunny

    • 25
    • 28

    Sunny

Today 9 Dec Pilbara

Partly cloudy. The chance of a thunderstorm in the northeast in the afternoon and early evening. Winds south to southwesterly 20 to 30 km/h. Daytime maximum temperatures in the low to mid 40s.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots east of Onslow during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A broad low-pressure system will persist through northern parts of the state for the rest of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

December Temperature

Onslow Airport (31km)

  • Lowest 1 December, 2025

    21.7 °C

  • Average December

    29.3 °C

  • Highest 7 December, 2025

    43.5 °C

Climate (2020–Present)

Onslow Airport (31km)

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  • Average Low 2020–2025

    20.5 °C

  • Average 2020–2025

    25.8 °C

  • Average High 2020–2025

    32.8 °C
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