Middle River Weather Forecast

    • 17
    • 25

    Partly cloudy

    • 13
    • 21

    Cloudy

    • 10
    • 23

    Mostly sunny

    • 11
    • 27

    Mostly sunny

    • 15
    • 26

    Partly cloudy

    • 12
    • 20

    Shower or two

    • 9
    • 16

    Showers

Today 19 Oct Kangaroo Island

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon and evening. Winds northerly 20 to 30 km/h shifting southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the mid 20s.

Investigator Strait Coastal Waters

Wind
Northerly 15 to 20 knots becoming variable about 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
A slow-moving high pressure system over the Tasman Sea extends a ridge over eastern SA. A trough of low pressure over western SA is moving eastwards and will reach southeastern parts later today while a weakening cold front crosses the Bight. The trough lingers in the east through the middle of the week as a weak high pressure system forms in the Bight. This trough weakens on Thursday as a second trough moves into the west from WA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle River Temperature Statistics View More

October Temperature

Kingscote Airport (41 km)

  • Lowest 15 October, 2026

    3.6 °C

  • Average October

    14.2 °C

  • Highest 11 October, 2026

    27.3 °C

Climate (2021–2026)

Kingscote Airport (41 km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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