Shelley Beach Weather Forecast
- 12
- 27
Shower or two developing
- 13
- 22
Partly cloudy
- 9
- 22
Partly cloudy
- 10
- 28
Sunny
- 13
- 24
Partly cloudy
- 14
- 23
Possible shower
- 14
- 25
Cloud clearing
Today 5 Dec Port Lincoln
Partly cloudy. Medium chance of showers in the afternoon and evening. The chance of a thunderstorm in the evening. Winds northerly 15 to 20 km/h shifting south to southwesterly 20 to 25 km/h in the early afternoon then becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming south to southwesterly 15 to 20 knots in the middle of the day then tending south to southeasterly 10 to 15 knots in the late evening. Winds reaching up to 25 knots north of Cowell to Wallaroo in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. The chance of a thunderstorm south of Cowell to Wallaroo in the evening.
- Weather Situation
- A low pressure trough will linger over the northeast and far north today as a ridge of high pressure builds over the south. The trough will clear to the northeast of SA late Saturday. A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week.
Shelley Beach Temperature Statistics View More
December Temperature
Port Lincoln Airport (13km)
Lowest 2 December, 2025
8.5 °CAverage December
19.6 °CHighest 3 December, 2025
35.3 °C
Climate (2020–Present)
Port Lincoln Airport (13km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.3 °C