Althorpe Island Weather Forecast

    • 12
    • 20

    Cloudy

    • 14
    • 20

    Shower or two

    • 13
    • 18

    Showers easing

    • 12
    • 18

    Showers

    • 13
    • 19

    Shower or two

    • 14
    • 19

    Shower or two

    • 13
    • 19

    Possible shower

Today 22 May Yorke Peninsula

Cloudy. Light winds.

Central Coastal Waters

Wind
Northerly 10 to 15 knots, reaching up to 20 knots in the west.
Seas
Below 1 metre, increasing to 1 to 1.5 metres in the west.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy.
Weather Situation
A high pressure ridge over the east will begin to weaken as a cold enters the west of the SA early Saturday. This front is expected to reach eastern districts later on Sunday with an associated low pressure system developing off the southern coasts. The low is expected to move across the southeast on Monday then eastwards into NSW by Tuesday with a trough lingering across the south of SA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Althorpe Island Temperature Statistics View More

May Temperature

Stenhouse Bay (12km)

  • Lowest 22 May, 2026

    9.8 °C
  • Average May

    16 °C
  • Highest 1 May, 2026

    28.9 °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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