Port Moonta Weather Forecast
- 5
- 18
Mostly clear
- 7
- 15
Showers
- 5
- 15
Cloudy
- 2
- 15
Cloudy
- 2
- 15
Partly cloudy
- 3
- 15
Partly cloudy
- 4
- 16
Partly cloudy
Today 27 Jul Yorke Peninsula
Mostly clear. Slight chance of a shower in the south later this evening. Near zero chance of rain elsewhere. Winds northwesterly 25 to 35 km/h.
Spencer Gulf Coastal Waters
- Wind
- Northwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Neill to Port Victoria.
- 1st Swell
- Southwesterly 1 to 1.5 metres, tending westerly below 0.5 metres by early evening.
- Weather
- Mostly clear.
- Weather Situation
- A cold front will continue to move over western and southern South Australia Monday evening before pushing across the remainder of the state on Tuesday. A secondary front clips the far southeast Tuesday afternoon and evening before a high pressure system moves over the Bight from Wednesday. The high will extend a ridge across the state, as it slowly moves east into NSW by Saturday.
Port Moonta Temperature Statistics View More
July Temperature
Kadina Airport (14km)
Lowest 17 July, 2026
-1.5 °CAverage July
10.1 °CHighest 7 July, 2026
18.4 °C
Climate (2021–2026)
Kadina Airport (14km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.5 °C