Island Beach Weather Forecast

    • 12
    • 25

    Mostly clear

    • 16
    • 22

    Partly cloudy

    • 13
    • 24

    Sunny

    • 16
    • 24

    Partly cloudy

    • 17
    • 24

    Possible shower

    • 13
    • 21

    Cloudy

    • 12
    • 20

    Mostly sunny

Today 21 Apr Kangaroo Island

Partly cloudy. Winds northerly 15 to 25 km/h.

Investigator Strait Coastal Waters

Wind
Northerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front is expected to weaken and slide across western and southern coasts on Wednesday. A second cold front may pass over the south again on Saturday with a high pressure system to follow over waters south of the Bight on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Island Beach Temperature Statistics View More

April Temperature

Kingscote Airport (27km)

  • Lowest 18 April, 2026

    3.6 °C

  • Average April

    15.4 °C

  • Highest 6 April, 2026

    25.9 °C

Climate (2021–Present)

Kingscote Airport (27km)

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

  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
Get WillyWeather+ to remove ads