Althorpe Island Weather Forecast

    • 10
    • 15

    Possible shower. Wind easing

    • 10
    • 15

    Cloudy

    • 9
    • 15

    Cloudy

    • 7
    • 14

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Partly cloudy

    • 10
    • 15

    Possible shower

Today 3 Jul Yorke Peninsula

Cloudy. Slight chance of a shower, most likely in the early morning. Winds westerly 25 to 40 km/h tending southwesterly 25 to 35 km/h in the early morning then becoming light in the evening. Overnight temperatures falling to around 9 with daytime temperatures reaching around 15.

Central Coastal Waters

Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the late afternoon.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.
1st Swell
Southwesterly 5 to 7 metres, decreasing to 4 to 5 metres by early evening.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A cold front and post-frontal trough move to the east of SA today making way for a high pressure system moving in from the west. The high will dominate the weather pattern over the weekend as it slowly moves east, reaching the Tasman Sea by Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Althorpe Island Temperature Statistics View More

July Temperature

Stenhouse Bay (12km)

  • Lowest 2 July, 2026

    10.5 °C

  • Average July

    12.9 °C

  • Highest 1 July, 2026

    14.9 °C

Climate (2021–2026)

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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