Twin Rocks Weather Forecast
- 18
- 34
Windy. Partly cloudy
- 15
- 23
Mostly sunny
- 13
- 34
Mostly sunny
- 19
- 33
Partly cloudy
- 17
- 27
Possible shower
- 15
- 24
Partly cloudy
- 13
- 26
Mostly sunny
Today 21 Apr West Coast
Mostly sunny. Slight chance of a shower west of Nullarbor in the 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
- Northerly 15 to 25 knots, reaching up to 30 knots offshore in the late morning. Winds shifting southerly in the evening.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon, then increasing to 1.5 to 2 metres later in the evening.
- 1st Swell
- Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm in the 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 on 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