Decres Bay Weather Forecast

    • 3
    • 17

    Late shower or two

    • 7
    • 16

    Showers

    • 6
    • 16

    Shower or two

    • 6
    • 17

    Partly cloudy

    • 8
    • 18

    Showers

    • 9
    • 17

    Shower or two

    • 7
    • 17

    Possible shower

Today 7 Jul West Coast

Partly cloudy. Patches of morning frost. The chance of morning fog east of Ceduna. Slight chance of a shower this evening. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures around 17.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming easterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Mostly sunny day. 50% chance of showers this evening.
Weather Situation
A high pressure system centred near Tasmania will extend a ridge over SA. The ridge will weaken mid-week as a trough moves over western coasts then a cold front will move across from the west late Friday and early Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

July Temperature

Ceduna Airport (9km)

  • Lowest 4 July, 2026

    4 °C

  • Average July

    11.3 °C

  • Highest 2 July, 2026

    16.6 °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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