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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Rocks Temperature Statistics View More

April Temperature

Nullarbor (22km)

  • Lowest 13 April, 2026

    8.7 °C

  • Average April

    18.7 °C

  • Highest 18 April, 2026

    33.9 °C

Climate (2021–Present)

Nullarbor (22km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.9 °C
Get WillyWeather+ to remove ads