Twin Rocks Weather Forecast
- 10
- 17
Windy. Partly cloudy
- 7
- 19
Partly cloudy
- 9
- 21
Possible shower
- 11
- 28
Partly cloudy
- 14
- 26
Sunny
- 11
- 22
Shower or two
- 11
- 19
Partly cloudy
Today 9 Sep West Coast
Partly cloudy. Winds southeasterly 25 to 40 km/h decreasing to 20 to 30 km/h in the evening.
Far West Coastal Waters
WA-SA Border to Fowlers Bay- Wind
- Easterly 25 to 30 knots.
- Seas
- 2.5 to 3 metres.
- 1st Swell
- Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred south of the Bight extends a ridge across the south of SA. The main high centre will gradually move eastwards to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday and move across SA on Sunday.
Twin Rocks Temperature Statistics View More
September Temperature
Nullarbor (22km)
Lowest 6 September, 2026
2.2 °CAverage September
15 °CHighest 4 September, 2026
26.6 °C
Climate (2021–2026)
Nullarbor (22km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.8 °C