Sibsey Island Weather Forecast
- 19
- 20
Windy
- 17
- 17
Windy
- 17
- 17
Cloudy
- 15
- 17
Cloudy
- 16
- 19
Partly cloudy
- 19
- 21
Sunny
- 20
- 21
Sunny
Today 12 Dec Lower Eyre Peninsula
Partly cloudy. Winds east to southeasterly 15 to 20 km/h turning southerly 25 to 40 km/h in the late morning. Daytime maximum temperatures 31 to 38.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming southerly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots north of Cowell to Wallaroo in the evening.
- Seas
- Below 1 metre, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A trough will sweep across across the coastal waters today, clearing to the east in the late evening. A ridge of high pressure will begin to move in from the southwest on the weekend with the high pressure centre establishing south of the Bight on Monday.
Sibsey Island Temperature Statistics View More
December Temperature
Port Lincoln Airport (28km)
Lowest 7 December, 2025
8.1 °CAverage December
18.1 °CHighest 3 December, 2025
35.3 °C
Climate (2020–Present)
Port Lincoln Airport (28km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.3 °C