Port Lincoln Weather Forecast
- 7
- 19
Showers increasing
- 9
- 17
Shower or two
- 7
- 17
Partly cloudy
- 7
- 17
Partly cloudy
- 8
- 17
Partly cloudy
- 6
- 17
Cloudy
- 8
- 17
Shower or two
Today 18 Aug Port Lincoln
Becoming cloudy. Very high chance of showers, most likely late this afternoon and evening. The chance of a thunderstorm this evening. Light winds becoming north to northeasterly 15 to 25 km/h in the morning then tending north to northwesterly 20 to 25 km/h in the evening.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly 15 to 20 knots tending north to northwesterly in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo around midday.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
- Weather
- Becoming cloudy. 90% chance of showers. The chance of a thunderstorm south of Port Neill to Port Victoria this evening.
- Weather Situation
- A large blocking high pressure system persists over the Tasman Sea. An upper level disturbance responsible for precipitation over central and eastern parts will weaken today as a weakening cold front moves across western parts today and across the southeast on Wednesday. A high pressure ridge is expected to develop over South Australia from Wednesday afternoon with weak troughs clipping the southeast in a broad westerly flow on Thursday and Friday.
Port Lincoln Temperature Statistics View More
August Temperature
Port Lincoln Airport (13km)
Lowest 1 August, 2026
2.6 °CAverage August
12.1 °CHighest 8 August, 2026
19.7 °C
Climate (2021–2026)
Port Lincoln Airport (13km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C