Twin Rocks Weather Forecast

    • 9
    • 22

    Morning fog then sunny

    • 10
    • 25

    Partly cloudy

    • 14
    • 26

    Cloudy

    • 12
    • 21

    Shower or two

    • 12
    • 19

    Partly cloudy

    • 10
    • 20

    Sunny

    • 9
    • 20

    Mostly sunny

Today 13 May West Coast

Mostly sunny. Patchy morning fog. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. The chance of a thunderstorm east of Ceduna in the late morning and afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures in the low to mid 20s.

Far West Coastal Waters

WA-SA Border to Fowlers Bay
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A strong high pressure system near Tasmania is slowly moving east, reaching the Tasman Sea later today. A trough of low pressure moves into the far west late on Friday and continues across SA over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Twin Rocks Temperature Statistics View More

May Temperature

Nullarbor (22km)

  • Lowest 12 May, 2026

    7 °C

  • Average May

    14.6 °C

  • Highest 1 May, 2026

    26.6 °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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