South West Twin Island Weather Forecast

    • 19
    • 30

    Mostly sunny

    • 18
    • 29

    Sunny

    • 17
    • 26

    Partly cloudy

    • 15
    • 27

    Partly cloudy

    • 14
    • 28

    Sunny

    • 15
    • 30

    Sunny

    • 16
    • 31

    Sunny

Today 3 Sep Pilbara

Partly cloudy. The chance of fog near the coast in the early morning. Light winds becoming northeast to southeasterly 15 to 25 km/h in the morning then tending northwest to southwesterly in the middle of the day. Overnight temperatures falling to between 16 and 19 with daytime temperatures reaching the low to mid 30s.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the evening then decreasing to about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres offshore, decreasing to around 1 metre during the morning.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Twin Island Temperature Statistics View More

September Temperature

Onslow Airport (19km)

  • Lowest 1 September, 2025

    14.6 °C

  • Average September

    21 °C

  • Highest 1 September, 2025

    30 °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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