Island Beach Weather Forecast

    • 9
    • 18

    Sunny

    • 12
    • 17

    Possible shower

    • 11
    • 17

    Cloudy

    • 11
    • 18

    Partly cloudy

    • 12
    • 20

    Shower or two

    • 12
    • 19

    Showers. Windy

    • 13
    • 18

    Shower or two

Today 20 May Kangaroo Island

Mostly sunny. High chance of showers in the west, medium chance elsewhere. Winds northerly 15 to 25 km/h tending northwesterly 20 to 30 km/h in the morning then becoming light in the evening. Daytime maximum temperatures around 18.

Investigator Strait Coastal Waters

Wind
Northerly 15 to 20 knots turning northwesterly during the morning.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
West to southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A high pressure system lies in the Tasman Sea, moving slowly eastwards during the week. A trough will move over western coastal waters today and southern waters on Wednesday morning. Another high will move across the Bight mid to late in the week. A cold front will move across from the west over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Island Beach Temperature Statistics View More

May Temperature

Kingscote Airport (27km)

  • Lowest 11 May, 2025

    0.5 °C

  • Average May

    13.3 °C

  • Highest 5 May, 2025

    25.6 °C

Climate (2020–Present)

Kingscote Airport (27km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21 °C
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