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.
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)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.9 °C
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