Shag Rock Weather Forecast

    • 8
    • 19

    Rain

    • 10
    • 20

    Shower

    • 9
    • 14

    Shower

    • 9
    • 17

    Shower

    • 10
    • 16

    Shower

    • 10
    • 17

    Shower

    • 9
    • 17

    Partly cloudy

Today 7 Aug West Coast

Partly cloudy. Very high chance of showers, becoming less likely at night. The chance of a thunderstorm west of Ceduna. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures between 19 and 25.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northeasterly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over SA until Saturday. A strong cold front will then begin to move into the Bight and move east over the state from late Saturday and throughout Sunday. Another cold front is then forecast to move into the Bight from late Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

August Temperature

Streaky Bay (44km)

  • Lowest 4 August, 2026

    2.5 °C

  • Average August

    10.5 °C

  • Highest 4 August, 2026

    18.5 °C

Climate (2021–2026)

Streaky Bay (44km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.6 °C
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