American River - Picnic Point Weather Forecast

    • 9
    • 21

    Partly cloudy

    • 10
    • 28

    Mostly sunny

    • 14
    • 21

    Partly cloudy

    • 13
    • 19

    Possible shower

    • 13
    • 23

    Sunny

    • 14
    • 31

    Mostly sunny

    • 15
    • 22

    Partly cloudy

Today 7 Dec Kangaroo Island

Partly cloudy. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then tending west to northwesterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures between 18 and 21.

Investigator Strait Coastal Waters

Wind
South to southwesterly 10 to 15 knots turning west to northwesterly below 10 knots during the day.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is building west of the Bight. The high will move slowly eastwards today and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

American River - Picnic Point Temperature Statistics View More

December Temperature

Kingscote Airport (23km)

  • Lowest 2 December, 2025

    6.8 °C

  • Average December

    17.6 °C

  • Highest 3 December, 2025

    32.7 °C

Climate (2020–Present)

Kingscote Airport (23km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21 °C
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