The Red Banks Weather Forecast

    • 11
    • 25

    Possible late shower

    • 12
    • 24

    Showers easing

    • 10
    • 24

    Cloudy

    • 11
    • 23

    Cloudy

    • 10
    • 24

    Cloudy

    • 10
    • 23

    Partly cloudy

    • 12
    • 26

    Mostly sunny

Today 20 Dec Kangaroo Island

Partly cloudy. Medium chance of showers this evening. Winds southerly 15 to 20 km/h turning east to southeasterly 15 to 25 km/h in the late morning and afternoon. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Southerly 10 to 15 knots turning southeasterly 15 to 20 knots in the morning.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southerly around 1 metre through the Backstairs Passage.
Weather
Partly cloudy.
Weather Situation
A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Red Banks Temperature Statistics View More

December Temperature

Kingscote Airport (17km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    18.1 °C

  • Highest 18 December, 2025

    41 °C

Climate (2020–Present)

Kingscote Airport (17km)

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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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