Cap Island Weather Forecast
- 17
- 17
Cloudy
- 15
- 19
Partly cloudy
- 15
- 21
Sunny
- 19
- 24
Sunny
- 22
- 25
Sunny
- 20
- 21
Partly cloudy
- 18
- 20
Partly cloudy
Today 14 Dec West Coast
Sunny. Winds south to southwesterly 20 to 30 km/h tending south to southeasterly 25 to 35 km/h during the afternoon and evening. Daytime maximum temperatures 24 to 30.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- South to southwesterly 15 to 20 knots tending south to southeasterly during the afternoon and evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres around midday.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system south of WA extends a ridge over SA. This will persist as the high slowly moves eastwards into the Bight during today, and out to the Tasman Sea by late Tuesday.
Cap Island Temperature Statistics View More
December Temperature
Cummins Airport (64km)
Lowest 7 December, 2025
1.6 °CAverage December
19.3 °CHighest 12 December, 2025
37.9 °C
Climate (2020–Present)
Cummins Airport (64km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
15.6 °CAverage High 2020–2025
22.8 °C