Sinclair Island Weather Forecast
- 16
- 18
Cloudy
- 15
- 18
Shower
- 16
- 17
Shower
- 16
- 17
Shower
- 16
- 17
Shower
- 16
- 17
Partly cloudy
- 14
- 18
Partly cloudy
Today 22 May West Coast
Cloudy. Slight chance of a shower. Winds north to northeasterly 20 to 30 km/h.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Streaky Bay.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Cloudy.
- Weather Situation
- A high pressure ridge over the east will begin to weaken as a cold enters the west of the SA early Saturday. This front is expected to reach eastern districts later on Sunday with an associated low pressure system developing off the southern coasts. The low is expected to move across the southeast on Monday then eastwards into NSW by Tuesday with a trough lingering across the south of SA.
Sinclair Island Temperature Statistics View More
May Temperature
Ceduna Airport (66km)
Lowest 18 May, 2026
3.8 °CAverage May
15 °CHighest 1 May, 2026
32.1 °C
Climate (2021–Present)
Ceduna Airport (66km)
Average Low 2021–2026
10.9 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C