West Island Weather Forecast
- 11
- 19
Showers
- 10
- 19
Partly cloudy
- 8
- 19
Showers
- 9
- 15
Shower or two
- 9
- 18
Showers
- 11
- 19
Shower or two
- 11
- 18
Possible shower
Today 4 May Mount Lofty Ranges
Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm during the morning and afternoon. Winds west to northwesterly 25 to 35 km/h tending west to southwesterly 15 to 25 km/h during the morning and early afternoon. Daytime maximum temperatures between 14 and 19.
South Central Coastal Waters
- Wind
- Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning.
- Seas
- 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 3 to 4 metres, decreasing to 3 metres during the afternoon.
- Weather
- Partly cloudy. 90% chance of showers. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A low pressure system is expected to move slowly eastwards over waters to the south of the state and will extend a trough over southern parts of SA today. The low will then move over Bass Strait later today. A ridge will extend across SA from the west on Tuesday and a cold front will move across the south later Wednesday. A high pressure system will become established south of WA on Thursday and will extend a ridge over western SA.
West Island Temperature Statistics View More
May Temperature
Encounter Bay (6km)
Lowest 3 May, 2026
12.4 °CAverage May
20.5 °CHighest 1 May, 2026
29.7 °C
Climate (2021–Present)
Encounter Bay (6km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.7 °C