Decres Bay Weather Forecast
- 7
- 18
Showers
- 8
- 19
Showers
- 5
- 14
Showers. Wind easing
- 6
- 17
Shower or two
- 6
- 17
Showers. Becoming windy
- 6
- 17
Possible shower
- 6
- 18
Partly cloudy
Today 7 Aug West Coast
Cloudy. Very high chance of showers east of Ceduna, high chance elsewhere. The chance of a thunderstorm west of Ceduna. Winds northwest to northeasterly 20 to 30 km/h. Daytime maximum temperatures between 17 and 24.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots south of Streaky Bay in the late morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy. 95% chance of rain.
- Weather Situation
- A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over SA until Saturday. A strong cold front will then begin to move into the Bight and move east over the state from late Saturday and throughout Sunday. Another cold front is then forecast to move into the Bight from late Monday.
Decres Bay Temperature Statistics View More
August Temperature
Ceduna Airport (9km)
Lowest 4 August, 2026
-1.6 °CAverage August
10.8 °CHighest 4 August, 2026
20.1 °C
Climate (2021–2026)
Ceduna Airport (9km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C