Althorpe Island Weather Forecast

    • 10
    • 16

    Sunny

    • 9
    • 18

    Sunny

    • 11
    • 20

    Shower or two

    • 11
    • 16

    Shower or two

    • 11
    • 17

    Shower or two

    • 11
    • 19

    Shower or two

    • 11
    • 16

    Shower or two

Today 30 Aug Yorke Peninsula

Sunny. Winds southeasterly 15 to 20 km/h becoming light in the early morning. Overnight temperatures falling to around 7 with daytime temperatures reaching between 17 and 20.

Central Coastal Waters

Wind
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system south of SA continues extending a ridge across the state, as it moves slowly east over the weekend, to be centred over Victoria by Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge and high quickly push in behind the front on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Althorpe Island Temperature Statistics View More

August Temperature

Stenhouse Bay (12km)

  • Lowest 1 August, 2026

    4.5 °C

  • Average August

    12.9 °C

  • Highest 18 August, 2026

    19.9 °C

Climate (2021–2026)

Stenhouse Bay (12km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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