Twin Rocks Weather Forecast
- 8
- 21
Mostly sunny
- 10
- 18
Cloudy
- 9
- 19
Cloudy
- 11
- 19
Partly cloudy
- 8
- 20
Mostly sunny
- 6
- 24
Sunny
- 7
- 29
Sunny
Today 19 Sep West Coast
Mostly sunny. The chance of fog this morning, mainly west of Ceduna. Medium chance of showers east of Ceduna, most likely late this afternoon and evening. Near zero chance of rain elsewhere. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the early afternoon. Daytime maximum temperatures between 19 and 23.
Far West Coastal Waters
WA-SA Border to Fowlers Bay- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots offshore in the early afternoon. Winds turning southwesterly in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 2 metres around midday.
- 1st Swell
- Southwesterly 2 metres, increasing to 2 to 3 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system lies to the west of the country with a ridge extending into the west of the state. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
Twin Rocks Temperature Statistics View More
September Temperature
Nullarbor (22km)
Lowest 17 September, 2025
3.1 °CAverage September
15.1 °CHighest 14 September, 2025
32.7 °C
Climate (2020–Present)
Nullarbor (22km)
Average Low 2020–2025
11.2 °CAverage 2020–2025
16.8 °CAverage High 2020–2025
23.9 °C