American River - American River Boat Ramp Weather Forecast

    • 13
    • 20

    Cloudy

    • 13
    • 18

    Cloudy

    • 13
    • 20

    Cloud clearing

    • 14
    • 27

    Mostly sunny

    • 15
    • 32

    Sunny

    • 17
    • 32

    Partly cloudy

    • 18
    • 25

    Partly cloudy

Today 24 Dec Kangaroo Island

Cloudy. Slight chance of a shower. Winds southwesterly 15 to 25 km/h turning south to southeasterly 20 to 30 km/h during the afternoon and evening. Daytime maximum temperatures around 20.

Investigator Strait Coastal Waters

Wind
Southwesterly 10 to 15 knots turning south to southeasterly 15 to 20 knots in the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast this morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River - American River Boat Ramp Temperature Statistics View More

December Temperature

Kingscote Airport (24km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    17.7 °C

  • Highest 18 December, 2025

    41 °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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