Middle River Weather Forecast

    • 11
    • 28

    Mostly sunny

    • 18
    • 28

    Partly cloudy

    • 10
    • 25

    Shower or two developing

    • 12
    • 21

    Possible morning shower

    • 8
    • 21

    Partly cloudy

    • 9
    • 25

    Sunny

    • 12
    • 25

    Mostly sunny

Today 3 Dec Kangaroo Island

Mostly sunny. Winds north to northwesterly 25 to 40 km/h. Daytime maximum temperatures around 30.

Investigator Strait Coastal Waters

Wind
North to northwesterly 10 to 15 knots, reaching up to 20 knots through the Backstairs Passage in the late morning and early afternoon. Winds becoming north to northeasterly about 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Mostly sunny.
Weather Situation
A high pressure system will continue to slowly move eastwards to be centred over the Tasman Sea by Wednesday evening. A low pressure trough will then move into the west of SA late Wednesday and extend northeastwards during Thursday, followed by another ridge of high pressure. A weak cold front clips the far southeast Saturday morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle River Temperature Statistics View More

December Temperature

Kingscote Airport (41km)

  • Lowest 2 December, 2025

    6.8 °C

  • Average December

    13.4 °C

  • Highest 1 December, 2025

    19.5 °C

Climate (2020–Present)

Kingscote Airport (41km)

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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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