Cassia Island Weather Forecast

    • 25
    • 26

    Partly cloudy

    • 24
    • 26

    Sunny

    • 25
    • 26

    Sunny

    • 23
    • 25

    Windy

    • 22
    • 24

    Windy

    • 22
    • 24

    Windy

    • 23
    • 24

    Partly cloudy

Today 21 May Pilbara

Partly cloudy. Slight chance of a shower in the northeast, near zero chance elsewhere. The chance of a thunderstorm near the coast. Light winds.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Northeast to southeasterly about 10 knots, reaching up to 20 knots east of Onslow in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore east of Onslow.
1st Swell
West to southwesterly around 1 metre offshore.
Weather
Mostly clear. The chance of a thunderstorm offshore east of Barrow Island.
Weather Situation
A cloud band bringing unseasonal showers will linger till Sunday. Meanwhile, fresh to strong easterly winds across coastal waters will ease from later today as a ridge to the south moves away. A trough located offshore will move closer to the Kimberley and east Pilbara coasts later today and move over land on Friday, before weakening on Sunday ahead of a new southeast surge.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassia Island Temperature Statistics View More

May Temperature

Varanus Island (25km)

  • Lowest 17 May, 2026

    19.3 °C

  • Average May

    25.9 °C

  • Highest 2 May, 2026

    31 °C

Climate (2021–Present)

Varanus Island (25km)

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  • Average Low 2021–2026

    23.9 °C

  • Average 2021–2026

    25.9 °C

  • Average High 2021–2026

    29.1 °C
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