Haystack Island Weather Forecast

    • 15
    • 20

    Partly cloudy

    • 14
    • 22

    Showers

    • 17
    • 22

    Showers. Becoming windy

    • 15
    • 19

    Shower or two. Windy

    • 13
    • 18

    Cloudy

    • 13
    • 19

    Cloudy

    • 14
    • 20

    Cloudy

Today 7 Apr Yorke Peninsula

Partly cloudy. Slight chance of a shower. Winds south to southwesterly 15 to 20 km/h tending south to southeasterly in the late afternoon then becoming light in the evening. Daytime maximum temperatures in the low 20s.

Investigator Strait Coastal Waters

Wind
Southerly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A cold front will pass over the southeast this morning followed by a high-pressure system building south of the state today. The high will then move east on Wednesday allowing a vigorous cold front to move over South Australia Thursday afternoon. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

April Temperature

Stenhouse Bay (5km)

  • Lowest 2 April, 2026

    12.7 °C

  • Average April

    18 °C

  • Highest 1 April, 2026

    22.9 °C

Climate (2021–Present)

Stenhouse Bay (5km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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