West Island Weather Forecast
- 10
- 19
Shower or two
- 10
- 17
Showers
- 8
- 17
Shower or two
- 7
- 16
Possible shower
- 7
- 17
Partly cloudy
- 5
- 18
Partly cloudy
- 9
- 18
Showers
Today 18 Aug Mount Lofty Ranges
Cloudy. High chance of showers. The chance of a thunderstorm about the southern Fleurieu Peninsula. Winds northerly 20 to 30 km/h.
South Central Coastal Waters
- Wind
- Northwest to northeasterly 20 to 30 knots.
- Seas
- 1.5 metres, increasing to 2 metres west of Kangaroo Island.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Cloudy. 80% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A cold front moving through the Bight, directs a northerly flow over South Australia this evening. The front will clip the south on Wednesday, before clearing to the east late. A high pressure ridge is expected to approach South Australia on Thursday from the west and continue to move east over the state on the weekend. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday.
West Island Temperature Statistics View More
August Temperature
Encounter Bay (6km)
Lowest 1 August, 2026
0.5 °CAverage August
11.8 °CHighest 7 August, 2026
19.7 °C
Climate (2021–2026)
Encounter Bay (6km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.7 °C