Duffield Island Weather Forecast
- 17
- 18
Partly cloudy
- 15
- 16
Partly cloudy
- 16
- 19
Sunny
- 17
- 19
Partly cloudy
- 17
- 19
Partly cloudy
- 17
- 21
Partly cloudy
- 19
- 21
Partly cloudy
Today 6 Dec Lower Eyre Peninsula
Partly cloudy. The chance of a thunderstorm. Winds southerly 15 to 25 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A high pressure system is building west of the Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.
Duffield Island Temperature Statistics View More
December Temperature
Port Lincoln Airport (40km)
Lowest 2 December, 2025
8.5 °CAverage December
18.5 °CHighest 3 December, 2025
35.3 °C
Climate (2020–Present)
Port Lincoln Airport (40km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.3 °C