Middle Island Weather Forecast

    • 8
    • 18

    Mostly sunny

    • 11
    • 21

    Windy. Partly cloudy

    • 15
    • 21

    Shower or two. Windy

    • 11
    • 16

    Shower or two. Wind easing

    • 10
    • 17

    Partly cloudy

    • 10
    • 22

    Possible shower

    • 11
    • 17

    Showers. Windy

Today 13 Sep Yorke Peninsula

The chance of fog early this morning. Sunny afternoon. Winds northerly 15 to 25 km/h becoming light in the late afternoon then becoming north to northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 18.

Central Coastal Waters

Wind
Northerly 10 to 15 knots, reaching up to 20 knots in the west during the morning and early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the west during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system in the Bight will slowly drift eastwards over NSW resulting in a north to northwesterly airstream establishing across coastal waters on the weekend. A cold front will move across coastal waters on Monday, followed by another high pressure system on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Middle Island Temperature Statistics View More

September Temperature

Stenhouse Bay (12km)

  • Lowest 2 September, 2025

    7 °C

  • Average September

    13.7 °C

  • Highest 6 September, 2025

    24.2 °C

Climate (2020–Present)

Stenhouse Bay (12km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    20.4 °C
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