Cap Island Weather Forecast
- 15
- 18
Storm
- 16
- 16
Shower
- 16
- 17
Shower
- 15
- 16
Shower
- 15
- 17
Cloudy
- 16
- 21
Sunny
- 20
- 21
Partly cloudy
Today 28 Nov West Coast
Partly cloudy. High chance of showers east of Ceduna, slight chance elsewhere. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds east to northeasterly 20 to 30 km/h shifting south to southwesterly 30 to 45 km/h during the morning. Daytime maximum temperatures 23 to 29.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- Northeast to southeasterly 10 to 15 knots tending south to southeasterly in the early morning then turning southwesterly 15 to 20 knots in the early afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday, then decreasing to 1.5 metres later in the evening.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning and early afternoon.
- Weather Situation
- A weak ridge of high pressure over SA will move east of the state today as a low pressure system moves across the state. A ridge is expected to return to the south on Saturday from a high centred well to the west of WA and persist into early next week.
Cap Island Temperature Statistics View More
November Temperature
Cummins Airport (64km)
Lowest 12 November, 2025
-0.1 °CAverage November
15.6 °CHighest 1 November, 2025
32.5 °C
Climate (2020–Present)
Cummins Airport (64km)
Average Low 2020–2025
9.5 °CAverage 2020–2025
15.6 °CAverage High 2020–2025
22.8 °C