American Beach Weather Forecast

    • 7
    • 14

    Partly cloudy

    • 6
    • 15

    Partly cloudy

    • 10
    • 16

    Partly cloudy

    • 9
    • 16

    Shower

    • 9
    • 15

    Partly cloudy

    • 8
    • 15

    Partly cloudy

    • 8
    • 15

    Partly cloudy

Today 21 Jun Kangaroo Island

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Light winds.

Investigator Strait Coastal Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred south of SA will move slowly eastwards during Sunday and Monday to be centred over NSW later Monday. A cold front will move across southern coastal districts late Tuesday or early Wednesday then a new high will move across waters to the south mid-week to be centred over Tasmania on Thursday.
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  • Temperature Forecast Bureau of Meteorology

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American Beach Temperature Statistics View More

June Temperature

Cape Willoughby (24km)

  • Lowest 5 June, 2026

    9.8 °C

  • Average June

    14.3 °C

  • Highest 12 June, 2026

    20.1 °C

Climate (2021–2026)

Cape Willoughby (24km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    18.4 °C
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