West Island Weather Forecast
- 11
- 21
Cloud clearing
- 10
- 31
Mostly sunny
- 16
- 26
Shower or two
- 13
- 20
Showers
- 10
- 17
Showers
- 8
- 17
Shower or two
- 9
- 17
Shower or two
Today 21 Oct Mount Lofty Ranges
The chance of a thunderstorm near the Barossa Valley this morning. Sunny afternoon. Winds east to southeasterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then tending east to southeasterly in the evening. Daytime maximum temperatures 21 to 26.
South Central Coastal Waters
- Wind
- East to southeasterly about 10 knots increasing to 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres, increasing to 3 to 4 metres later in the evening.
- Weather
- Cloud clearing.
- Weather Situation
- A trough of low pressure lingers about the east, before weakening later today, as a slow moving high pressure system in the Tasman Sea will re-establish a ridge across southern parts. A trough is then forecast to briefly move into the west on Thursday, before another trough and cold front move more broadly across SA on Friday and Saturday.
West Island Temperature Statistics View More
October Temperature
Encounter Bay (6 km)
Lowest 16 October, 2026
5.3 °CAverage October
15.8 °CHighest 11 October, 2026
30 °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