Grindal Island Weather Forecast
- 11
- 23
Partly cloudy
- 13
- 26
Shower
- 12
- 22
Shower
- 12
- 19
Windy
- 12
- 24
Partly cloudy
- 14
- 27
Partly cloudy
- 15
- 23
Shower
Today 23 Sep Lower Eyre Peninsula
Mostly sunny. Winds north to northeasterly 15 to 20 km/h turning easterly in the late afternoon. Daytime maximum temperatures in the mid to high 20s.
Spencer Gulf Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
- Weather
- Sunny.
- Weather Situation
- A high pressure system centred over the Tasman Sea extends a ridge over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday, before being confined to the west over the weekend.
Grindal Island Temperature Statistics View More
September Temperature
Port Lincoln Airport (37km)
Lowest 18 September, 2026
3.3 °CAverage September
13.9 °CHighest 19 September, 2026
28.4 °C
Climate (2021–2026)
Port Lincoln Airport (37km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C