Decres Bay Weather Forecast
- 11
- 30
Partly cloudy
- 16
- 29
Showers. Storm clearing
- 13
- 27
Sunny
- 16
- 35
Partly cloudy
- 14
- 25
Mostly sunny
- 12
- 25
Mostly sunny
- 12
- 23
Partly cloudy
Today 29 Oct West Coast
Partly cloudy. High chance of showers west of Ceduna, near zero chance elsewhere. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding west of Ceduna. Winds northeasterly 25 to 35 km/h.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Winds turning northeasterly in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A ridge of high pressure lies over eastern parts of SA, while a low pressure system in WA extends a trough into the west. The low and trough will move across the state on Friday, clearing to the east by Saturday morning as a brief high pressure system settles over SA. Another low is expected to enter from the west on Sunday, moving over central and eastern parts on Monday.
Decres Bay Temperature Statistics View More
October Temperature
Ceduna Airport (9 km)
Lowest 3 October, 2026
3.9 °CAverage October
17.8 °CHighest 8 October, 2026
36.4 °C
Climate (2021–2026)
Ceduna Airport (9 km)
Average Low 2021–2026
10.9 °CAverage 2021–2026
16.9 °CAverage High 2021–2026
23.7 °C