Shag Rock Weather Forecast

    • 18
    • 35

    Partly cloudy

    • 21
    • 33

    Shower

    • 14
    • 25

    Storm

    • 14
    • 20

    Shower

    • 10
    • 18

    Partly cloudy

    • 7
    • 21

    Partly cloudy

    • 9
    • 24

    Partly cloudy

Today 28 Sep West Coast

Partly cloudy. Medium chance of showers west of Nullarbor, most likely in the late afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm west of Nullarbor in the evening. Winds east to northeasterly 15 to 25 km/h turning northerly 30 to 45 km/h during the morning then tending northeast to southeasterly 15 to 25 km/h in the evening. Overnight temperatures falling to between 13 and 19 with daytime temperatures reaching the low to mid 30s.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
East to northeasterly 15 to 20 knots tending north to northeasterly in the early morning then turning east to southeasterly 10 to 15 knots in the late afternoon.
Seas
1 to 2 metres, decreasing below 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Rock Temperature Statistics View More

September Temperature

Streaky Bay (44km)

  • Lowest 17 September, 2026

    3.3 °C

  • Average September

    15.9 °C

  • Highest 24 September, 2026

    30.7 °C

Climate (2021–2026)

Streaky Bay (44km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.6 °C
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