Decres Bay Weather Forecast

    • 6
    • 23

    Clear

    • 10
    • 23

    Partly cloudy

    • 8
    • 23

    Sunny

    • 7
    • 22

    Sunny

    • 8
    • 23

    Sunny

    • 12
    • 25

    Partly cloudy

    • 9
    • 19

    Partly cloudy

Today 27 Aug West Coast

Mostly clear. Slight chance of a shower west of Nullarbor later tonight. Near zero chance of rain elsewhere. The chance of a thunderstorm west of Nullarbor later this evening. Winds northerly 15 to 25 km/h turning northeasterly 15 to 20 km/h in the late afternoon.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Clear.
Weather Situation
A high pressure ridge lies over central and eastern SA, while a low pressure trough moves over the far west late Thursday and Friday. A high pressure system will move over waters to the south over the weekend to be centred over southern Victoria by late Sunday, extending a ridge across SA until Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

August Temperature

Ceduna Airport (9km)

  • Lowest 4 August, 2026

    -1.6 °C

  • Average August

    11.8 °C

  • Highest 18 August, 2026

    24.7 °C

Climate (2021–2026)

Ceduna Airport (9km)

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  • Average Low 2021–2026

    10.9 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.7 °C
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