Poonindie Weather Forecast
- 8
- 23
Sunny
- 10
- 26
Sunny
- 14
- 22
Partly cloudy
- 10
- 16
Cloudy
- 9
- 18
Mostly sunny
- 10
- 21
Partly cloudy
- 12
- 23
Partly cloudy
Today 18 Sep Port Lincoln
Sunny. Winds north to northwesterly 15 to 25 km/h tending west to northwesterly 20 to 30 km/h in the middle of the day then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly about 10 knots increasing to 10 to 15 knots in the early morning then becoming variable about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Sunny.
- Weather Situation
- A strong high pressure system centred over Victoria will maintain a ridge across SA as it drifts slowly over NSW. A cold front will then approach from the west late Saturday and move across SA on Sunday, before another ridge pushes in behind the front. The associated high will then move eastwards across waters south from Monday.
Poonindie Temperature Statistics View More
September Temperature
Port Lincoln Airport (3km)
Lowest 11 September, 2026
5.6 °CAverage September
13.7 °CHighest 4 September, 2026
25.1 °C
Climate (2021–2026)
Port Lincoln Airport (3km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C