Sibsey Island Weather Forecast

    • 18
    • 21

    Shower

    • 18
    • 21

    Shower

    • 17
    • 17

    Shower

    • 16
    • 17

    Shower

    • 16
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    Cloudy

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    • 18

    Cloudy

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    Sunny

Today 8 Apr Lower Eyre Peninsula

Partly cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm during the morning and afternoon. Light winds becoming northerly 15 to 20 km/h in the morning then tending northwesterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures in the mid 20s.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots tending north to northeasterly in the early morning then tending north to northwesterly in the evening. Winds reaching up to 20 knots north of Cowell to Wallaroo in the afternoon.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A high-pressure system south of the state will move east today allowing a strong cold front to move over South Australia later Thursday. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sibsey Island Temperature Statistics View More

April Temperature

Port Lincoln Airport (28km)

  • Lowest 2 April, 2026

    10.8 °C

  • Average April

    18.1 °C

  • Highest 6 April, 2026

    25.8 °C

Climate (2021–Present)

Port Lincoln Airport (28km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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