American River - American River Boat Ramp Weather Forecast

    • 10
    • 15

    Rain

    • 12
    • 16

    Showers easing

    • 8
    • 16

    Partly cloudy

    • 9
    • 17

    Sunny

    • 11
    • 18

    Possible shower

    • 10
    • 17

    Partly cloudy

    • 10
    • 17

    Partly cloudy

Today 24 Aug Kangaroo Island

Cloudy. Very high chance of rain. Winds northeasterly 15 to 20 km/h shifting south to southeasterly 20 to 30 km/h in the evening. Daytime maximum temperatures around 14.

Investigator Strait Coastal Waters

Wind
Northeasterly 10 to 15 knots shifting south to southeasterly 15 to 20 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage by early evening.
1st Swell
West to southwesterly around 1 metre.
Weather
Cloudy. Near 100% chance of rain.
Weather Situation
A low pressure system and associated trough in the far west will move across the state today and out over the eastern states by late Tuesday, as another high moves in from the west to be over SA on Wednesday. A second trough approaches the southwest during Thursday afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River - American River Boat Ramp Temperature Statistics View More

August Temperature

Kingscote Airport (24km)

  • Lowest 1 August, 2026

    -0.1 °C

  • Average August

    11.6 °C

  • Highest 18 August, 2026

    18.2 °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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