Spilsby Island Weather Forecast
- 16
- 19
Sunny
- 17
- 19
Cloudy
- 13
- 14
Cloudy
- 14
- 16
Sunny
- 15
- 18
Partly cloudy
- 17
- 18
Partly cloudy
- 17
- 19
Partly cloudy
Today 19 Sep Lower Eyre Peninsula
Sunny. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h before dawn then tending north to northeasterly in the evening. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching the mid to high 20s.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly about 10 knots increasing to 10 to 15 knots before dawn. Winds reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre.
- Weather
- Sunny.
Spilsby Island Temperature Statistics View More
September Temperature
Port Lincoln Airport (43km)
Lowest 18 September, 2026
3.3 °CAverage September
13.5 °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