West Island Weather Forecast
- 11
- 20
Mostly clear
- 9
- 27
Sunny morning. Shower or two
- 11
- 17
Cloudy
- 10
- 17
Cloudy
- 8
- 16
Partly cloudy
- 8
- 17
Partly cloudy
- 7
- 21
Partly cloudy
Today 10 Oct Mount Lofty Ranges
Mostly clear. Winds west to northwesterly 20 to 30 km/h becoming light in the evening.
South Central Coastal Waters
- Wind
- West to northwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre later in the evening.
- 1st Swell
- Westerly 3 to 5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough and cold front cross SA on Sunday and clear to the east by late Monday. A ridge of high pressure will then extend into SA, with the associated high moving into waters south from Tuesday. A trough in the interior of WA will also extend into northern SA at times from Monday until later in the week.
West Island Temperature Statistics View More
October Temperature
Encounter Bay (6 km)
Lowest 8 October, 2026
6.5 °CAverage October
14.6 °CHighest 8 October, 2026
28.5 °C
Climate (2021–2026)
Encounter Bay (6 km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.7 °C