Moonta Bay Weather Forecast

    • 5
    • 19

    Clear

    • 8
    • 20

    Sunny

    • 7
    • 21

    Sunny

    • 7
    • 19

    Mostly sunny

    • 7
    • 19

    Sunny

    • 10
    • 22

    Shower or two

    • 11
    • 17

    Partly cloudy

Today 27 Aug Yorke Peninsula

Clear. Winds northerly 15 to 20 km/h becoming light in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots turning northerly in the late evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly around 1 metre south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure ridge lies over central and eastern SA, while a low pressure trough moves over the far west late Thursday and Friday. A high pressure system will move over waters to the south over the weekend to be centred over southern Victoria by late Sunday, extending a ridge across SA until Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Moonta Bay Temperature Statistics View More

August Temperature

Kadina Airport (13km)

  • Lowest 1 August, 2026

    -0.8 °C

  • Average August

    11.4 °C

  • Highest 18 August, 2026

    19.1 °C

Climate (2021–2026)

Kadina Airport (13km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.4 °C

  • Average High 2021–2026

    23.5 °C
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