Haystack Island Weather Forecast

    • 16
    • 26

    Sunny

    • 18
    • 26

    Possible shower

    • 14
    • 20

    Partly cloudy

    • 13
    • 21

    Cloud clearing

    • 13
    • 26

    Mostly sunny

    • 14
    • 21

    Possible shower

    • 12
    • 20

    Shower or two

Today 18 Oct Yorke Peninsula

Mostly sunny. Winds northeasterly 20 to 25 km/h tending northwest to northeasterly 15 to 25 km/h in the middle of the day then tending east to northeasterly in the evening. Daytime maximum temperatures around 30.

Investigator Strait Coastal Waters

Wind
Northeasterly 10 to 15 knots turning easterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A slow-moving high pressure system over the Tasman Sea extends a ridge over eastern SA. A trough of low pressure over WA is expected to move into western SA later today and over southeastern parts later Monday, while a weakening cold front crosses the Bight. The trough lingers in the east through the middle of the week as a weak high pressure system forms in the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

October Temperature

Stenhouse Bay (5 km)

  • Lowest 11 October, 2026

    10.6 °C

  • Average October

    15.9 °C

  • Highest 8 October, 2026

    29.9 °C

Climate (2021–2026)

Stenhouse Bay (5 km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
Get WillyWeather+ to remove ads