Decres Bay Weather Forecast

    • 7
    • 15

    Possible shower

    • 4
    • 15

    Cloudy

    • 3
    • 17

    Cloud clearing

    • 4
    • 19

    Sunny

    • 7
    • 16

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 4
    • 17

    Mostly sunny

Today 29 Jul West Coast

Cloudy. Slight chance of a shower in the morning. Light winds becoming southerly 15 to 20 km/h in the morning then becoming light in the middle of the day. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching around 15.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southerly 10 to 15 knots, reaching up to 20 knots south of Streaky Bay early in the morning. Winds turning southeasterly below 10 knots during the day.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

July Temperature

Ceduna Airport (9km)

  • Lowest 7 July, 2026

    -0.1 °C

  • Average July

    11.2 °C

  • Highest 20 July, 2026

    21.7 °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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