Haystack Island Weather Forecast
- 18
- 27
Partly cloudy
- 20
- 24
Possible morning storm. Showers
- 20
- 25
Rain. Heavy falls possible
- 18
- 23
Cloudy
- 17
- 23
Cloudy
- 16
- 23
Partly cloudy
- 17
- 24
Partly cloudy
Today 27 Feb Yorke Peninsula
Partly cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly in the morning then tending east to southeasterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures in the low 30s.
Investigator Strait Coastal Waters
- Wind
- South to southeasterly 10 to 15 knots tending east to southeasterly during the morning and early afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A high pressure centre over waters to the south of SA will move into the Tasman Sea during today. A tropical low pressure system centred over the southeast of the NT extends a trough into the northeast of SA. This low is expected to remain near stationary today, after which it is expected to move southwards on Saturday. The associated trough is then expected to move east northeastwards on Sunday and Monday as a new high pressure system moves in from the west.
Haystack Island Temperature Statistics View More
February Temperature
Stenhouse Bay (5km)
Lowest 12 February, 2026
15.2 °CAverage February
19.9 °CHighest 16 February, 2026
37.7 °C
Climate (2021–Present)
Stenhouse Bay (5km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16 °CAverage High 2021–2026
20.5 °C