Decres Bay Weather Forecast
- 9
- 17
Partly cloudy
- 7
- 15
Shower or two
- 4
- 15
Cloudy
- 4
- 15
Cloudy
- 3
- 16
Partly cloudy
- 5
- 17
Possible shower
- 7
- 17
Possible shower
Today 22 Jul West Coast
Partly cloudy. Slight chance of a shower. Winds south to southwesterly 15 to 25 km/h becoming light in the late evening.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- South to southwesterly 10 to 15 knots, reaching up to 20 knots inshore in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough over southern South Australia will weaken overnight, with a ridge of high pressure to build over the west of the State later. A high pressure system will slowly approach South Australia on Thursday, then move over the State on Friday and Saturday. The high is expected to move to the north of South Australia during Sunday, with a trough to build over the west of the State in the evening.
Decres Bay Temperature Statistics View More
July Temperature
Ceduna Airport (9km)
Lowest 7 July, 2026
-0.1 °CAverage July
11.3 °CHighest 20 July, 2026
21.7 °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