Althorpe Island Weather Forecast

    • 15
    • 25

    Partly cloudy

    • 17
    • 26

    Partly cloudy

    • 18
    • 26

    Partly cloudy

    • 15
    • 23

    Showers easing. Windy

    • 11
    • 18

    Showers. Becoming windy

    • 12
    • 19

    Showers

    • 13
    • 19

    Shower or two

Today 29 Apr Yorke Peninsula

Mostly sunny. Winds north to northeasterly 15 to 25 km/h tending north to northwesterly 15 to 20 km/h in the early afternoon then tending north to northeasterly in the late afternoon. Daytime maximum temperatures in the mid to high 20s.

Central Coastal Waters

Wind
North to northeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a trough that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Althorpe Island Temperature Statistics View More

April Temperature

Stenhouse Bay (12km)

  • Lowest 8 April, 2026

    11.3 °C

  • Average April

    17.5 °C

  • Highest 21 April, 2026

    30.6 °C

Climate (2021–Present)

Stenhouse Bay (12km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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