Decres Bay Weather Forecast

    • 9
    • 20

    Shower or two

    • 13
    • 23

    Shower or two. Windy

    • 12
    • 19

    Showers easing. Windy

    • 9
    • 19

    Showers increasing

    • 10
    • 18

    Showers

    • 10
    • 19

    Shower or two

    • 9
    • 19

    Mostly sunny

Today 31 May West Coast

Cloudy. High chance of showers. Winds northerly 25 to 35 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres by early evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A weak high pressure system moves into the eastern states overnight. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A another low pressure moves over waters to the south on Wednesday. A ridge of high pressure develops over western and northern parts as a series of troughs and fronts move over the south later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

May Temperature

Ceduna Airport (9km)

  • Lowest 18 May, 2026

    3.8 °C
  • Average May

    14.8 °C
  • Highest 1 May, 2026

    32.1 °C

Climate (2021–Present)

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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