Decres Bay Weather Forecast

    • 16
    • 24

    Mostly sunny

    • 15
    • 24

    Partly cloudy

    • 13
    • 25

    Sunny

    • 13
    • 33

    Sunny

    • 18
    • 37

    Sunny

    • 21
    • 39

    Mostly sunny

    • 22
    • 33

    Partly cloudy

Today 13 Dec West Coast

Mostly sunny. Winds southerly 25 to 35 km/h. Overnight temperatures falling to around 14 with daytime temperatures reaching 24 to 32.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southerly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

December Temperature

Ceduna Airport (9km)

  • Lowest 8 December, 2025

    6.4 °C

  • Average December

    22.1 °C

  • Highest 11 December, 2025

    42.5 °C

Climate (2020–Present)

Ceduna Airport (9km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.7 °C
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