Boston Weather Forecast
- 11
- 20
Clear
- 11
- 21
Mostly sunny
- 12
- 22
Mostly sunny
- 11
- 23
Partly cloudy
- 13
- 21
Shower or two
- 11
- 22
Shower or two
- 12
- 20
Shower or two
Today 11 May Port Lincoln
Clear. Winds easterly 15 to 20 km/h becoming light in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming southeasterly 10 to 15 knots in the evening then tending easterly in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre.
- Weather
- Clear.
- Weather Situation
- A strong high pressure system south of SA is slowly moving east, reaching the Tasman Sea by Wednesday. A trough of low pressure moves into the far west late on Friday.
Boston Temperature Statistics View More
May Temperature
Port Lincoln Airport (6km)
Lowest 5 May, 2026
11 °CAverage May
15.8 °CHighest 1 May, 2026
30.6 °C
Climate (2021–Present)
Port Lincoln Airport (6km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C