American River Weather Forecast

    • 14
    • 18

    Possible shower

    • 12
    • 15

    Showers

    • 10
    • 15

    Possible morning shower

    • 11
    • 19

    Partly cloudy

    • 16
    • 25

    Becoming cloudy

    • 14
    • 21

    Shower or two

    • 12
    • 20

    Showers

Today 25 Sep Kangaroo Island

Cloudy. Medium chance of showers, most likely in the afternoon. The chance of a thunderstorm. Winds southerly 15 to 20 km/h turning southeasterly in the early afternoon. Daytime maximum temperatures between 17 and 20.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots becoming southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A low pressure trough extends from WA over western SA. This trough will be very slow-moving for the rest of this week and over the weekend. A weakening cold front will slip across southern coasts during today. Another low pressure trough will develop over WA on Sunday and Monday then move over SA early to mid next week.
Graph Plots Open in Graphs

  • 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

    12.4 °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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