American River Weather Forecast

    • 13
    • 19

    Mostly clear

    • 14
    • 23

    Sunny

    • 15
    • 31

    Becoming windy. Mostly sunny

    • 13
    • 20

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 12
    • 18

    Cloudy

    • 12
    • 21

    Sunny

Today 10 Dec Kangaroo Island

Mostly clear. Winds southeasterly 20 to 30 km/h.

Investigator Strait Coastal Waters

Wind
Southeasterly 15 to 25 knots.
Seas
1 to 2 metres.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure persists over southern SA, continuing into Thursday before the high centre moves eastwards over the Tasman Sea late Thursday. A trough of low pressure is expected to move eastwards across the SA waters on Friday. Another ridge of high pressure will move over the south during the weekend.
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  • Temperature Forecast Bureau of Meteorology

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American River Temperature Statistics View More

December Temperature

Kingscote Airport (24km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    17.1 °C

  • Highest 3 December, 2025

    32.7 °C

Climate (2020–Present)

Kingscote Airport (24km)

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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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