Slope Island Weather Forecast

    • 21
    • 31

    Mostly sunny

    • 21
    • 31

    Mostly sunny

    • 22
    • 29

    Becoming windy. Partly cloudy

    • 21
    • 29

    Becoming windy. Sunny

    • 21
    • 30

    Sunny

    • 22
    • 31

    Sunny

    • 22
    • 29

    Becoming windy. Sunny

Today 14 Dec Gascoyne

Partly cloudy. Slight chance of a shower inland in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and evening. Winds northeast to southeasterly 25 to 35 km/h. Overnight temperatures falling to 21 to 27 with daytime temperatures reaching around 40.

Gascoyne Coastal Waters

Cape Cuvier to Kalbarri
Wind
South to southwesterly 10 to 15 knots tending west to southwesterly in the morning then tending south to southwesterly in the evening. Winds reaching up to 20 knots about Shark Bay in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Slope Island Temperature Statistics View More

December Temperature

Shark Bay Airport (27km)

  • Lowest 6 December, 2025

    18.1 °C

  • Average December

    24.7 °C

  • Highest 1 December, 2025

    38.9 °C

Climate (2020–Present)

Shark Bay Airport (27km)

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  • Average Low 2020–2025

    16.8 °C

  • Average 2020–2025

    22.3 °C

  • Average High 2020–2025

    29.6 °C
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