Sleaford Islands Weather Forecast
- 9
- 16
Showers increasing
- 10
- 16
Showers
- 10
- 16
Shower or two
- 9
- 16
Possible shower
- 7
- 17
Partly cloudy
- 9
- 17
Shower or two
- 9
- 16
Possible shower
Today 18 Jun Port Lincoln
Partly cloudy. Very high chance of showers, most likely during this afternoon and evening. Winds northerly 20 to 30 km/h shifting southwesterly 15 to 25 km/h in the evening.
Central Coastal Waters
- Wind
- North to northwesterly 20 to 30 knots shifting southwesterly in the evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the west.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A cold front over the east of South Australia will move clear of the state by midday today. A second cold front will move across the west this afternoon reaching central and eastern parts early Friday morning. A cooler, fresh southerly flow following the second front will gradually ease as a high pressure system drifts in from the west for the weekend.
Sleaford Islands Temperature Statistics View More
June Temperature
Port Lincoln Airport (38km)
Lowest 11 June, 2026
5.9 °CAverage June
13.9 °CHighest 12 June, 2026
23.5 °C
Climate (2021–2026)
Port Lincoln Airport (38km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C