Middle River Weather Forecast

    • 11
    • 16

    Morning shower or two

    • 7
    • 16

    Cloudy

    • 9
    • 18

    Cloud clearing

    • 10
    • 20

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 9
    • 19

    Sunny

Today 25 Aug Kangaroo Island

Partly cloudy. Medium chance of showers this morning. Winds southerly 25 to 35 km/h turning southwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures around 15.

Investigator Strait Coastal Waters

Wind
Southerly 20 to 25 knots turning southwesterly 10 to 15 knots during the day. Winds reaching up to 30 knots early in the morning.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A low pressure system and associated trough continue moving over southern SA today and will move into the eastern states this evening. A high pressure system will move in from the west to be over SA on Wednesday. Another trough approaches the southwest during Thursday evening, and may linger about the western parts of SA before another high moves across the south over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle River Temperature Statistics View More

August Temperature

Kingscote Airport (41km)

  • Lowest 1 August, 2026

    -0.1 °C

  • Average August

    11.7 °C

  • Highest 18 August, 2026

    18.2 °C

Climate (2021–2026)

Kingscote Airport (41km)

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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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