American River Weather Forecast

    • 12
    • 17

    Showers increasing

    • 11
    • 17

    Showers easing

    • 8
    • 17

    Possible shower

    • 7
    • 16

    Possible shower

    • 8
    • 17

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 9
    • 17

    Shower or two

Today 18 Aug Kangaroo Island

Partly cloudy. Very high chance of showers, most likely in the evening. The chance of a thunderstorm in the west in the evening. Winds northeasterly 20 to 30 km/h turning northerly 25 to 35 km/h during the day. Overnight temperatures falling to around 11 with daytime temperatures reaching around 17.

Investigator Strait Coastal Waters

Wind
Northeasterly 15 to 20 knots turning northerly in the late morning and afternoon.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River Temperature Statistics View More

August Temperature

Kingscote Airport (24km)

  • Lowest 1 August, 2026

    -0.1 °C

  • Average August

    11.1 °C

  • Highest 13 August, 2026

    18.1 °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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