American River Weather Forecast

    • 12
    • 15

    Shower or two

    • 10
    • 15

    Shower or two

    • 11
    • 21

    Partly cloudy

    • 16
    • 25

    Partly cloudy

    • 14
    • 20

    Showers easing

    • 12
    • 20

    Showers easing

    • 10
    • 15

    Possible shower

Today 26 Sep Kangaroo Island

Cloudy. Medium chance of showers, becoming less likely later this evening. Winds southeasterly 25 to 35 km/h.

Investigator Strait Coastal Waters

Wind
Southeasterly 20 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southern SA on Sunday. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday.
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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

    12.6 °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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