Cap Island Weather Forecast
- 17
- 17
Cloudy
- 14
- 17
Partly cloudy
- 14
- 18
Cloudy
- 14
- 17
Shower
- 15
- 17
Shower
- 15
- 16
Shower
- 14
- 16
Partly cloudy
Today 20 May West Coast
Mostly clear. Light winds.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- West to northwesterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Cap Island Temperature Statistics View More
May Temperature
Cummins Airport (64km)
Lowest 18 May, 2026
5.7 °CAverage May
14.8 °CHighest 1 May, 2026
31 °C
Climate (2021–Present)
Cummins Airport (64km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
15.7 °CAverage High 2021–2026
22.9 °C