Cap Island Weather Forecast
- 12
- 19
Partly cloudy
- 16
- 20
Cloudy
- 16
- 21
Sunny
- 18
- 23
Sunny
- 20
- 22
Shower
- 16
- 17
Cloudy
- 15
- 20
Partly cloudy
Today 15 Oct West Coast
Cloudy. Slight chance of a shower west of Nullarbor, near zero chance elsewhere. The chance of a thunderstorm west of Nullarbor. Winds east to northeasterly 15 to 25 km/h.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- Easterly 10 to 15 knots, reaching up to 20 knots offshore.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system moving over the Tasman Sea extends a ridge over eastern SA until early next week, while a trough lies through the far northwest, before weakening over the weekend. A cold front is forecast to cross the Bight on Monday, extending a trough over western and southern SA.
Cap Island Temperature Statistics View More
October Temperature
Cummins Airport (64 km)
Lowest 3 October, 2026
5.2 °CAverage October
14.3 °CHighest 8 October, 2026
31.6 °C
Climate (2021–2026)
Cummins Airport (64 km)
Average Low 2021–2026
9.7 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
23 °C