Port Moonta Weather Forecast

    • 15
    • 33

    Partly cloudy

    • 11
    • 26

    Shower or two

    • 11
    • 22

    Showers

    • 7
    • 20

    Possible shower

    • 5
    • 20

    Mostly sunny

    • 6
    • 21

    Partly cloudy

    • 7
    • 23

    Cloud clearing

Today 29 Sep Yorke Peninsula

Partly cloudy. Winds northerly 30 to 45 km/h shifting southwesterly 15 to 25 km/h in the late afternoon then becoming light in the late evening. Daytime maximum temperatures 27 to 34.

Spencer Gulf Coastal Waters

Wind
North to northwesterly 15 to 20 knots shifting south to southwesterly in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre later in the evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A series of slow moving troughs will move over the west of SA on Tuesday then will across remaining parts of the state on Wednesday and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Moonta Temperature Statistics View More

September Temperature

Kadina Airport (14km)

  • Lowest 17 September, 2026

    0.9 °C

  • Average September

    13.5 °C

  • Highest 19 September, 2026

    28.8 °C

Climate (2021–2026)

Kadina Airport (14km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.5 °C
Get WillyWeather+ to remove ads