Middle River Weather Forecast

    • 11
    • 18

    Clear

    • 8
    • 17

    Possible shower

    • 8
    • 18

    Becoming cloudy

    • 14
    • 20

    Showers increasing

    • 12
    • 16

    Showers easing

    • 9
    • 15

    Showers

    • 7
    • 14

    Shower or two

Today 22 Aug Kangaroo Island

Mostly clear. Slight chance of a shower in the west, near zero chance elsewhere. Winds west to southwesterly 15 to 20 km/h becoming light in the evening.

Investigator Strait Coastal Waters

Wind
Southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Westerly 1.5 to 2.5 metres.
Weather
Clear.
Weather Situation
A high pressure system over the Bight will continue to move eastwards. A weak cold front is expected to clip the southeast early Saturday. The high will continue to move southeastwards on Sunday to be over the Tasman Sea on Monday. A complex low pressure system develops well south of the Bight on Monday, and extends a series of vigorous cold fronts and troughs over SA next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle River Temperature Statistics View More

August Temperature

Kingscote Airport (41km)

  • Lowest 19 August, 2025

    -0.2 °C

  • Average August

    10.7 °C

  • Highest 11 August, 2025

    19.1 °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

    21.1 °C
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