Port Moonta Weather Forecast

    • 3
    • 19

    Sunny

    • 6
    • 23

    Sunny

    • 8
    • 26

    Sunny

    • 13
    • 24

    Mostly sunny

    • 8
    • 18

    Partly cloudy

    • 5
    • 21

    Partly cloudy

    • 8
    • 24

    Mostly sunny

Today 17 Sep Yorke Peninsula

Mostly sunny. The chance of morning frost in the north. Light winds. Daytime maximum temperatures between 16 and 20.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system south of the state will maintain a ridge across SA for the next few days as it drifts eastwards, to be located over NSW from Friday. A cold front is then likely to approach from the west late Saturday and move across SA on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Moonta Temperature Statistics View More

September Temperature

Kadina Airport (14km)

  • Lowest 11 September, 2026

    1.4 °C

  • Average September

    12.5 °C

  • Highest 12 September, 2026

    25 °C

Climate (2021–2026)

Kadina Airport (14km)

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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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