Lewis Island Weather Forecast
- 9
- 17
Partly cloudy
- 8
- 17
Shower
- 9
- 20
Shower
- 8
- 14
Rain
- 8
- 17
Shower
- 8
- 16
Shower
- 9
- 16
Shower
Today 6 Aug Lower Eyre Peninsula
Partly cloudy. Slight chance of a light shower near the east coast, near zero chance elsewhere. Light winds.
Spencer Gulf Coastal Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A weak high pressure system centred over NSW will slowly move east while maintaining a ridge over SA until Saturday. A strong cold front will then begin to move into the Bight and move east over the state from late Saturday and throughout Sunday. Another cold front is then forecast to move into the Bight from late Monday.
Lewis Island Temperature Statistics View More
August Temperature
Port Lincoln Airport (42km)
Lowest 1 August, 2026
2.6 °CAverage August
10.3 °CHighest 1 August, 2026
16.3 °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