Decres Bay Weather Forecast
- 4
- 21
Sunny
- 7
- 23
Partly cloudy
- 10
- 27
Mostly sunny
- 13
- 25
Possible early shower
- 11
- 23
Shower or two
- 9
- 20
Partly cloudy
- 7
- 21
Sunny
Today 10 Sep West Coast
Mostly sunny. Medium chance of showers west of Nullarbor, most likely in the evening. Near zero chance of rain elsewhere. The chance of a thunderstorm west of Nullarbor in the late afternoon and evening. Winds southeasterly 20 to 30 km/h turning easterly early in the morning. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching around 20.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Easterly 15 to 25 knots, reaching up to 30 knots early in the morning.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Streaky Bay.
- Weather
- Sunny.
Decres Bay Temperature Statistics View More
September Temperature
Ceduna Airport (9km)
Lowest 6 September, 2026
2.7 °CAverage September
14.1 °CHighest 1 September, 2026
25.4 °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