Lewis Island Weather Forecast
- 9
- 14
Rain
- 9
- 15
Shower
- 9
- 18
Shower
- 9
- 16
Shower
- 10
- 17
Shower
- 8
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Shower
- 9
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Cloudy
Today 9 Aug Lower Eyre Peninsula
Cloudy. High chance of showers. Winds southwesterly 30 to 45 km/h.
Spencer Gulf Coastal Waters
- Wind
- West to southwesterly 25 to 30 knots.
- Seas
- 2 to 3 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A low pressure system near Yorke Peninsula and an associated vigorous cold front will continue to move eastwards this evening and overnight before moving out over the eastern states early Monday morning. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday. Another ridge of high pressure pushes into the west of the state on Wednesday, with the associated high moving over South Australia on Thursday.
Lewis Island Temperature Statistics View More
August Temperature
Port Lincoln Airport (42km)
Lowest 1 August, 2026
2.6 °CAverage August
11.5 °CHighest 7 August, 2026
19.3 °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