South West Twin Island Weather Forecast

    • 23
    • 36

    Sunny

    • 24
    • 33

    Shower or two

    • 24
    • 35

    Sunny

    • 25
    • 37

    Sunny

    • 24
    • 34

    Sunny

    • 22
    • 33

    Sunny

    • 23
    • 34

    Mostly sunny

Today 22 Apr Pilbara

Mostly sunny. Medium chance of showers in the northeast, most likely in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the northeast. Winds east to southeasterly 20 to 30 km/h tending east to northeasterly 25 to 35 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 34 to 39.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Southeasterly 10 to 15 knots shifting north to northeasterly in the early afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre offshore.
Weather
Sunny morning. The chance of a thunderstorm offshore east of Barrow Island during this afternoon and evening.
Weather Situation
A ridge should persist over the north of the State for the next few days. A trough should develop over the western Pilbara on Wednesday before being pushed eastwards on Thursday by a new high pressure ridge extending across central parts of the State.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Twin Island Temperature Statistics View More

April Temperature

Onslow Airport (19km)

  • Lowest 19 April, 2025

    21.6 °C

  • Average April

    29.8 °C

  • Highest 9 April, 2025

    42.2 °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

    32.9 °C
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