American River Weather Forecast

    • 9
    • 16

    Sunny

    • 9
    • 20

    Mostly sunny

    • 13
    • 21

    Possible shower

    • 14
    • 19

    Shower or two

    • 13
    • 19

    Cloudy

    • 14
    • 23

    Partly cloudy

    • 16
    • 24

    Shower or two

Today 22 Sep Kangaroo Island

Sunny. Winds northeasterly 15 to 20 km/h turning easterly in the early afternoon. Daytime maximum temperatures around 17.

Investigator Strait Coastal Waters

Wind
East to northeasterly 10 to 15 knots tending east to southeasterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Weather
Sunny.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River Temperature Statistics View More

September Temperature

Kingscote Airport (24km)

  • Lowest 18 September, 2026

    1.8 °C

  • Average September

    12.5 °C

  • Highest 19 September, 2026

    25.5 °C

Climate (2021–2026)

Kingscote Airport (24km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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