South West Twin Island Weather Forecast

    • 24
    • 36

    Sunny

    • 26
    • 37

    Sunny

    • 26
    • 37

    Sunny

    • 27
    • 39

    Mostly sunny

    • 28
    • 41

    Mostly sunny

    • 27
    • 37

    Sunny

    • 25
    • 35

    Sunny

Today 17 Dec Pilbara

Mostly sunny. Slight chance of a shower. The chance of a thunderstorm. Winds east to northeasterly 20 to 30 km/h tending northwest to northeasterly 15 to 20 km/h in the late evening.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Northwest to southwesterly 10 to 15 knots, reaching up to 20 knots offshore west of Onslow in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres about offshore western waters during the afternoon.
1st Swell
West to southwesterly around 1 metre offshore.
Weather
Sunny.
Weather Situation
A broad area of low pressure will persist and deepen over inland areas in the north this week and during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Twin Island Temperature Statistics View More

December Temperature

Onslow Airport (19km)

  • Lowest 1 December, 2025

    21.7 °C

  • Average December

    29.5 °C

  • Highest 7 December, 2025

    43.5 °C

Climate (2020–Present)

Onslow Airport (19km)

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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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