Althorpe Island Weather Forecast
- 13
- 24
Sunny
- 16
- 30
Sunny
- 19
- 32
Sunny
- 18
- 25
Partly cloudy
- 15
- 22
Partly cloudy
- 15
- 21
Shower or two
- 14
- 21
Cloudy
Today 16 Dec Yorke Peninsula
Sunny. Winds east to southeasterly 15 to 25 km/h tending south to southeasterly in the late afternoon. Daytime maximum temperatures 27 to 33.
Central Coastal Waters
- Wind
- Easterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
- Weather
- Sunny.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Althorpe Island Temperature Statistics View More
December Temperature
Stenhouse Bay (12km)
Lowest 3 December, 2025
9.1 °CAverage December
17.7 °CHighest 3 December, 2025
33.4 °C
Climate (2020–Present)
Stenhouse Bay (12km)
Average Low 2020–2025
13.1 °CAverage 2020–2025
16 °CAverage High 2020–2025
20.4 °C