Cassia Island Weather Forecast

    • 27
    • 28

    Sunny

    • 28
    • 29

    Sunny

    • 28
    • 29

    Partly cloudy

    • 28
    • 30

    Partly cloudy

    • 29
    • 29

    Partly cloudy

    • 28
    • 29

    Sunny

    • 28
    • 29

    Partly cloudy

Today 18 Dec Pilbara

Mostly sunny. Slight chance of a shower near the coast in the afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the southwest in the afternoon and early evening. Winds east to northeasterly 20 to 30 km/h turning north to northwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures 38 to 44.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore west of Barrow Island.
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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cassia Island Temperature Statistics View More

December Temperature

Varanus Island (25km)

  • Lowest 14 December, 2025

    24.3 °C

  • Average December

    27.7 °C

  • Highest 2 December, 2025

    33.5 °C

Climate (2020–Present)

Varanus Island (25km)

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  • Average Low 2020–2025

    23.9 °C

  • Average 2020–2025

    25.9 °C

  • Average High 2020–2025

    29.2 °C
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