Twin Rocks Weather Forecast
- 18
- 34
Windy. Partly cloudy
- 15
- 23
Partly cloudy
- 12
- 34
Mostly sunny
- 19
- 32
Partly cloudy
- 17
- 25
Partly cloudy
- 16
- 23
Partly cloudy
- 14
- 27
Partly cloudy
Today 21 Apr West Coast
Mostly sunny. Slight chance of a shower west of Nullarbor this evening. Near zero chance of rain elsewhere. Winds northerly 35 to 50 km/h. Daytime maximum temperatures in the low to mid 30s.
Far West Coastal Waters
WA-SA Border to Fowlers Bay- Wind
- Northeasterly 15 to 20 knots tending northerly 15 to 25 knots in the early morning then shifting southerly in the evening. Winds reaching up to 30 knots offshore during the morning.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
- 1st Swell
- Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm this evening.
- Weather Situation
- A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front is expected to weaken and slide across western and southern coasts during today and Wednesday. A second cold front may pass over the south again on Saturday with a high pressure system to follow over waters south of the Bight on Sunday.
Twin Rocks Temperature Statistics View More
April Temperature
Nullarbor (22km)
Lowest 13 April, 2026
8.7 °CAverage April
18.7 °CHighest 18 April, 2026
33.9 °C
Climate (2021–Present)
Nullarbor (22km)
Average Low 2021–2026
11.2 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.9 °C