American Beach Weather Forecast

    • 14
    • 19

    Cloudy

    • 14
    • 21

    Sunny

    • 15
    • 22

    Windy

    • 15
    • 20

    Windy

    • 15
    • 20

    Windy

    • 14
    • 20

    Windy

    • 14
    • 23

    Partly cloudy

Today 11 Jan Kangaroo Island

Cloudy. Winds southerly 15 to 25 km/h turning southeasterly 20 to 30 km/h in the morning. Daytime maximum temperatures between 19 and 22.

Investigator Strait Coastal Waters

Wind
Southerly 15 to 20 knots tending southeasterly in the early morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge will begin to develop across the state today. A series of high pressure centres will move south of the Bight before a low pressure trough moves west of the state late on Tuesday. This trough will be pushed northwards along the WA border as new high pressure system develops south of the Bight on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American Beach Temperature Statistics View More

January Temperature

Cape Willoughby (24km)

  • Lowest 1 January, 2026

    13.7 °C
  • Average January

    18.7 °C
  • Highest 7 January, 2026

    36.5 °C

Climate (2021–Present)

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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