South West Twin Island Weather Forecast

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    • 27

    Sunny

    • 14
    • 27

    Sunny

    • 13
    • 27

    Sunny

    • 13
    • 27

    Sunny

    • 14
    • 29

    Sunny

    • 14
    • 29

    Sunny

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    Sunny

Today 17 Jul Pilbara

Sunny. The chance of fog in the far west early this morning. Winds east to southeasterly 15 to 25 km/h tending east to northeasterly 20 to 30 km/h in the morning then becoming light in the evening. Daytime maximum temperatures in the mid to high 20s.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
East to northeasterly 10 to 15 knots, reaching up to 20 knots east of Onslow in the late morning and early afternoon. Winds becoming variable about 10 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres east of Onslow during the morning.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A ridge to the south maintains a moderate to fresh easterly flow over the region. The ridge begins to weaken today as a cold front moves over the south of the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Twin Island Temperature Statistics View More

July Temperature

Onslow Airport (19km)

  • Lowest 4 July, 2026

    11.3 °C

  • Average July

    19.6 °C

  • Highest 11 July, 2026

    29.5 °C

Climate (2021–2026)

Onslow Airport (19km)

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  • Average Low 2021–2026

    20.4 °C

  • Average 2021–2026

    25.8 °C

  • Average High 2021–2026

    32.8 °C
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