Dorothee Island Weather Forecast
- 17
- 18
Partly cloudy
- 14
- 15
Cloudy
- 14
- 16
Sunny
- 15
- 18
Partly cloudy
- 18
- 19
Cloudy
- 17
- 17
Shower
- 16
- 18
Shower
Today 20 Sep West Coast
Mostly sunny. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. Winds southwesterly 25 to 35 km/h turning southerly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- Westerly 15 to 20 knots turning south to southwesterly in the evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
- Weather
- Becoming cloudy.
- Weather Situation
- A cold front will cross the west of the state this morning and will track across the east of the state during the day. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Dorothee Island Temperature Statistics View More
September Temperature
Streaky Bay (134km)
Lowest 17 September, 2026
3.3 °CAverage September
14.8 °CHighest 18 September, 2026
27 °C
Climate (2021–2026)
Streaky Bay (134km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.6 °C