Sinclair Island Weather Forecast
- 12
- 15
Cloudy
- 12
- 17
Sunny
- 15
- 15
Shower
- 14
- 14
Shower
- 12
- 14
Cloudy
- 11
- 16
Partly cloudy
- 11
- 17
Sunny
Today 26 Jul West Coast
Partly cloudy. Slight chance of a shower south of Streaky Bay early this evening. Near zero chance of rain elsewhere. Winds north to northwesterly 15 to 25 km/h becoming light in the evening then becoming northerly 15 to 20 km/h in the late evening.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northwesterly 10 to 15 knots turning northerly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred over northern SA will slowly drift east and weaken on Monday as a cold front moves up through the Bight. The front will move over southern SA during Monday night, with a new high pressure system moving into the Bight mid next week.
Sinclair Island Temperature Statistics View More
July Temperature
Ceduna Airport (66km)
Lowest 7 July, 2026
-0.1 °CAverage July
11.2 °CHighest 20 July, 2026
21.7 °C
Climate (2021–2026)
Ceduna Airport (66km)
Average Low 2021–2026
10.9 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C