Port Moonta Weather Forecast

    • 6
    • 19

    Mostly sunny

    • 6
    • 20

    Sunny

    • 10
    • 22

    Possible shower

    • 10
    • 17

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 9
    • 22

    Shower or two

    • 10
    • 17

    Possible shower

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.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 10 to 15 knots becoming variable about 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
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

Port Moonta Temperature Statistics View More

August Temperature

Kadina Airport (14km)

  • Lowest 1 August, 2026

    -0.8 °C

  • Average August

    11.5 °C

  • Highest 28 August, 2026

    21.3 °C

Climate (2021–2026)

Kadina Airport (14km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.5 °C
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