Haystack Island Weather Forecast
- 14
- 23
Mostly sunny
- 15
- 22
Showers
- 15
- 21
Showers easing
- 14
- 20
Shower or two
- 13
- 20
Shower or two
- 14
- 20
Showers easing
- 13
- 19
Possible shower
Today 14 May Yorke Peninsula
Mostly sunny. Slight chance of a shower. Winds northeasterly 15 to 20 km/h tending northerly in the middle of the day then turning east to northeasterly in the late morning and afternoon. Overnight temperatures falling to around 13 with daytime temperatures reaching the low to mid 20s.
Investigator Strait Coastal Waters
- Wind
- Northeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
- Weather
- Sunny.
Haystack Island Temperature Statistics View More
May Temperature
Stenhouse Bay (5km)
Lowest 3 May, 2026
11.4 °CAverage May
16.2 °CHighest 1 May, 2026
28.9 °C
Climate (2021–Present)
Stenhouse Bay (5km)
Average Low 2021–2026
13.1 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C