Sibsey Island Weather Forecast

    • 14
    • 17

    Partly cloudy

    • 17
    • 19

    Shower

    • 16
    • 16

    Shower

    • 16
    • 16

    Cloudy

    • 16
    • 18

    Partly cloudy

    • 18
    • 20

    Partly cloudy

    • 18
    • 19

    Shower

Today 23 Sep Lower Eyre Peninsula

Partly cloudy. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly in the late afternoon then becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Mostly clear.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge westwards over central and eastern SA and a low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of the week and over the weekend and the ridge will move away to the east. A weakening cold front will slip across southern coasts late Thursday and early Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sibsey Island Temperature Statistics View More

September Temperature

Port Lincoln Airport (28km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    13.9 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

Port Lincoln Airport (28km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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