American River - American River Boat Ramp Weather Forecast

    • 10
    • 18

    Showers. Windy

    • 9
    • 16

    Cloudy

    • 10
    • 17

    Possible shower

    • 10
    • 15

    Cloudy

    • 9
    • 17

    Partly cloudy

    • 8
    • 18

    Cloudy

    • 10
    • 19

    Partly cloudy

Today 19 Sep Kangaroo Island

Partly cloudy. High chance of showers, most likely in the late morning and afternoon. Winds west to northwesterly 25 to 40 km/h increasing to 45 km/h before tending west to southwesterly 25 to 40 km/h in the early afternoon. Daytime maximum temperatures around 17.

Investigator Strait Coastal Waters

Wind
Westerly 15 to 20 knots increasing to 20 to 30 knots in the morning then tending southwesterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 2 to 3 metres around midday.
1st Swell
Westerly 1 to 1.5 metres, increasing to 1 to 2 metres around midday, then tending west to southwesterly 1.5 to 2.5 metres later in the evening.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A high pressure system lies to the west of the country with a ridge extending into the west of the state. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River - American River Boat Ramp Temperature Statistics View More

September Temperature

Kingscote Airport (24km)

  • Lowest 18 September, 2025

    1 °C
  • Average September

    12.3 °C
  • Highest 15 September, 2025

    22.2 °C

Climate (2020–Present)

Kingscote Airport (24km)

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  • Average Low 2020–2025

    9.2 °C
  • Average 2020–2025

    14.7 °C
  • Average High 2020–2025

    21.1 °C
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