Sinclair Island Weather Forecast

    • 13
    • 17

    Partly cloudy

    • 15
    • 17

    Shower

    • 11
    • 15

    Windy

    • 13
    • 15

    Shower

    • 12
    • 14

    Shower

    • 14
    • 16

    Shower

    • 13
    • 15

    Partly cloudy

Today 7 Aug West Coast

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm west of Ceduna. Winds northwest to northeasterly 15 to 25 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over eastern SA until Saturday. A vigorous cold front will move across the west late Saturday then moving across remaining parts of the State on Sunday. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sinclair Island Temperature Statistics View More

August Temperature

Ceduna Airport (66km)

  • Lowest 4 August, 2026

    -1.6 °C

  • Average August

    10.9 °C

  • Highest 4 August, 2026

    20.1 °C

Climate (2021–2026)

Ceduna Airport (66km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.7 °C
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