Point Boston Weather Forecast
- 14
- 21
Possible shower
- 10
- 15
Cloudy
- 7
- 17
Mostly sunny
- 10
- 23
Mostly sunny
- 14
- 27
Partly cloudy
- 13
- 23
Possible shower
- 13
- 19
Possible shower
Today 20 Sep Port Lincoln
Becoming cloudy. Medium chance of showers, most likely in the late afternoon and evening. Winds westerly 20 to 25 km/h increasing to 25 to 35 km/h in the morning then tending southwesterly 15 to 25 km/h in the evening.
Spencer Gulf Coastal Waters
- Wind
- Westerly 15 to 20 knots turning southwesterly in the early afternoon. Winds reaching up to 25 knots north of Cowell to Wallaroo in the evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- South to southwesterly around 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A cold front will cross the west of the state this morning and will track across the east of the state during the day. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Point Boston Temperature Statistics View More
September Temperature
Port Lincoln Airport (5km)
Lowest 18 September, 2026
3.3 °CAverage September
13.8 °CHighest 4 September, 2026
25.1 °C
Climate (2021–2026)
Port Lincoln Airport (5km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C