Haystack Island Weather Forecast
- 16
- 25
Clear
- 17
- 27
Sunny
- 20
- 35
Mostly sunny
- 21
- 28
Shower or two
- 16
- 22
Cloudy
- 17
- 23
Cloud clearing
- 17
- 26
Sunny
Today 14 Feb Yorke Peninsula
Clear. Winds southeasterly 25 to 35 km/h.
Investigator Strait Coastal Waters
- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots inshore in the late evening.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southerly 1 to 1.5 metres through the Backstairs Passage.
- Weather
- Clear.
- Weather Situation
- A high pressure system south of the Bight will move into the Tasman Sea on Sunday whilst maintaining a ridge across the state. A trough of low pressure will move into the far west on Monday before moving across the south and west on Tuesday and across the northeast on Wednesday. A cold front also clips the southeast of the state on Tuesday followed by another cold front on Wednesday.
Haystack Island Temperature Statistics View More
February Temperature
Stenhouse Bay (5km)
Lowest 12 February, 2026
15.2 °CAverage February
19.4 °CHighest 3 February, 2026
30.6 °C
Climate (2021–Present)
Stenhouse Bay (5km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16 °CAverage High 2021–2026
20.5 °C