Althorpe Island Weather Forecast
- 14
- 19
Mostly clear
- 12
- 20
Partly cloudy
- 13
- 20
Becoming cloudy
- 14
- 20
Shower or two
- 13
- 18
Shower or two
- 12
- 17
Shower or two
- 11
- 17
Possible shower
Today 20 May Yorke Peninsula
Mostly clear. Winds southwesterly 15 to 20 km/h becoming light in the late afternoon.
Central Coastal Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Althorpe Island Temperature Statistics View More
May Temperature
Stenhouse Bay (12km)
Lowest 3 May, 2026
11.4 °CAverage May
16.2 °CHighest 1 May, 2026
28.9 °C
Climate (2021–Present)
Stenhouse Bay (12km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C