Spilsby Island Weather Forecast
- 14
- 15
Cloudy
- 13
- 14
Cloudy
- 13
- 14
Partly cloudy
- 13
- 17
Sunny
- 16
- 18
Sunny
- 17
- 18
Partly cloudy
- 14
- 15
Cloudy
Today 15 Sep Lower Eyre Peninsula
Cloudy. Winds southeasterly 20 to 30 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the late afternoon. Winds turning southeasterly in the late afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres north of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Port Neill to Port Victoria.
- Weather
- Cloudy.
- Weather Situation
- A high pressure ridge will be persistent over SA during the week, with a high moving across waters to the south to be centred over Victoria later Thursday and then over eastern NSW later Friday. The next cold front is likely to approach from the west late Saturday and move across SA on Sunday.
Spilsby Island Temperature Statistics View More
September Temperature
Port Lincoln Airport (43km)
Lowest 11 September, 2026
5.6 °CAverage September
13.8 °CHighest 4 September, 2026
25.1 °C
Climate (2021–2026)
Port Lincoln Airport (43km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C