Lewis Island Weather Forecast
- 9
- 16
Shower
- 9
- 14
Shower
- 8
- 15
Cloudy
- 8
- 16
Shower
- 8
- 16
Shower
- 8
- 16
Shower
- 8
- 16
Shower
Today 22 Jul Lower Eyre Peninsula
Partly cloudy. Medium chance of showers near the west coast, slight chance elsewhere. Winds southwesterly 15 to 25 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southwesterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A trough over southern South Australia will weaken overnight, with a ridge of high pressure to build over the west of the State later. A high pressure system will slowly approach South Australia on Thursday, then move over the State on Friday and Saturday. The high is expected to move to the north of South Australia during Sunday, with a trough to build over the west of the State in the evening.
Lewis Island Temperature Statistics View More
July Temperature
Port Lincoln Airport (42km)
Lowest 18 July, 2026
0.9 °CAverage July
11.3 °CHighest 18 July, 2026
18.9 °C
Climate (2021–2026)
Port Lincoln Airport (42km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C