Point Boston Weather Forecast
- 10
- 23
Partly cloudy
- 13
- 24
Shower or two
- 12
- 21
Shower or two
- 12
- 18
Possible shower
- 11
- 21
Partly cloudy
- 13
- 27
Mostly sunny
- 14
- 24
Showers
Today 23 Sep Port Lincoln
Partly cloudy. Light winds.
Spencer Gulf Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
- Seas
- Below 1 metre.
- 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 high pressure system centred over the Tasman Sea extends a ridge westwards over central and eastern SA and a low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of the week and over the weekend and the ridge will move away to the east. A weakening cold front will slip across southern coasts late Thursday and early Friday.
Point Boston Temperature Statistics View More
September Temperature
Port Lincoln Airport (5km)
Lowest 18 September, 2026
3.3 °CAverage September
13.9 °CHighest 19 September, 2026
28.4 °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