Shag Rock Weather Forecast

    • 8
    • 18

    Partly cloudy

    • 7
    • 21

    Partly cloudy

    • 11
    • 16

    Shower

    • 11
    • 17

    Shower

    • 6
    • 19

    Cloudy

    • 9
    • 22

    Shower

    • 12
    • 17

    Shower

Today 22 Aug West Coast

Partly cloudy. Patchy morning fog. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. Winds east to northeasterly 15 to 20 km/h tending east to southeasterly in the afternoon. Daytime maximum temperatures around 19.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Bight slowly drifts over SA today, to be centred over the eastern states by Sunday. A weak front embedded in the southwesterly flow around the high, clips the southeast early Saturday morning. A low pressure system and associated trough move into the far west later Sunday and then moves across the state on Monday an d out over the eastern states by later Tuesday. Another ridge of high pressure moves into the west later Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

August Temperature

Streaky Bay (44km)

  • Lowest 10 August, 2026

    1.5 °C

  • Average August

    11.7 °C

  • Highest 18 August, 2026

    21.5 °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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