Twin Rocks Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 14
    • 21

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 14
    • 24

    Cloud clearing

    • 15
    • 33

    Sunny

    • 20
    • 39

    Sunny

Today 21 Dec West Coast

Partly cloudy. Medium chance of showers south of Streaky Bay in the early morning. Near zero chance of rain elsewhere. The chance of a thunderstorm south of Streaky Bay in the early morning. Winds southwesterly 25 to 40 km/h turning southerly in the afternoon then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to around 14 with daytime temperatures reaching the low to high 20s.

Far West Coastal Waters

WA-SA Border to Fowlers Bay
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning southerly 15 to 20 knots in the morning.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly below 1 metre, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Rocks Temperature Statistics View More

December Temperature

Nullarbor (22km)

  • Lowest 2 December, 2025

    8.6 °C

  • Average December

    21.3 °C

  • Highest 17 December, 2025

    42 °C

Climate (2020–Present)

Nullarbor (22km)

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  • Average Low 2020–2025

    11.1 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.9 °C
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