Decres Bay Weather Forecast

    • 11
    • 30

    Mostly sunny

    • 17
    • 34

    Mostly sunny

    • 19
    • 34

    Late shower or two

    • 12
    • 24

    Showers easing

    • 11
    • 21

    Shower or two

    • 7
    • 19

    Partly cloudy

    • 6
    • 21

    Possible shower

Today 27 Sep West Coast

Partly cloudy. Medium chance of showers west of Nullarbor, most likely in the early morning. Near zero chance of rain elsewhere. Winds east to southeasterly 20 to 30 km/h tending east to northeasterly 15 to 25 km/h in the late evening. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching 25 to 35.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots offshore during the morning. Winds turning easterly in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, increasing to 1.5 to 2 metres south of Streaky Bay later in the evening.
1st Swell
Southwesterly 2 to 2.5 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 17 September, 2026

    1.8 °C

  • Average September

    15.4 °C

  • Highest 19 September, 2026

    32.3 °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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