Haystack Island Weather Forecast
- 16
- 21
Becoming windy. Partly cloudy
- 15
- 22
Partly cloudy
- 15
- 23
Mostly sunny
- 16
- 24
Partly cloudy
- 16
- 23
Partly cloudy
- 16
- 23
Partly cloudy
- 16
- 23
Cloud clearing
Today 10 Jan Yorke Peninsula
Partly cloudy. Winds southwesterly 25 to 40 km/h turning southerly in the late afternoon. Daytime maximum temperatures in the low to mid 20s.
Investigator Strait Coastal Waters
- Wind
- Southwesterly 15 to 20 knots turning southerly 15 to 25 knots in the late afternoon.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- West to southwesterly 1.5 to 2.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A low pressure trough over the pastoral districts will continue to move into the northeast and will exit the far northeast this afternoon whilst a high pressure ridge will be begin to develop across the south. This ridge will persist across the state over the coming days with the high pressure centre moving south of the Bight on Sunday. On Tuesday a trough will develop in the far west while the ridge remains in the east.
Haystack Island Temperature Statistics View More
January Temperature
Stenhouse Bay (5km)
Lowest 1 January, 2026
14.1 °CAverage January
20.5 °CHighest 7 January, 2026
41.1 °C
Climate (2021–Present)
Stenhouse Bay (5km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16 °CAverage High 2021–2026
20.4 °C