Decres Bay Weather Forecast

    • 6
    • 20

    Mostly clear

    • 6
    • 21

    Partly cloudy

    • 11
    • 27

    Windy. Partly cloudy

    • 18
    • 32

    Possible late shower. Windy

    • 11
    • 22

    Possible shower then sunny

    • 7
    • 20

    Mostly sunny

    • 7
    • 15

    Shower or two

Today 3 Sep West Coast

Partly cloudy. The chance of morning fog. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. Winds west to northwesterly 15 to 20 km/h shifting east to southeasterly in the late afternoon. Overnight temperatures falling to between 3 and 7 with daytime temperatures reaching between 19 and 25.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the evening then tending east to southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

September Temperature

Ceduna Airport (9km)

  • Lowest 1 September, 2025

    1 °C

  • Average September

    9.3 °C

  • Highest 1 September, 2025

    18.3 °C

Climate (2020–Present)

Ceduna Airport (9km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.8 °C
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