Decres Bay Weather Forecast
- 7
- 22
Shower or two
- 6
- 18
Partly cloudy
- 5
- 18
Partly cloudy
- 4
- 18
Mostly sunny
- 4
- 18
Partly cloudy
- 5
- 20
Cloudy
- 7
- 19
Shower or two
Today 18 Aug West Coast
Partly cloudy. Very high chance of showers east of Ceduna, medium chance elsewhere. Winds north to northeasterly 20 to 30 km/h tending northwest to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 19 and 24.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northeasterly 15 to 20 knots shifting westerly in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Partly cloudy. 60% chance of showers.
Decres Bay Temperature Statistics View More
August Temperature
Ceduna Airport (9km)
Lowest 4 August, 2026
-1.6 °CAverage August
11.6 °CHighest 8 August, 2026
21.1 °C
Climate (2021–2026)
Ceduna Airport (9km)
Average Low 2021–2026
10.9 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C