Port Moonta Weather Forecast
- 13
- 28
Partly cloudy
- 16
- 28
Partly cloudy
- 15
- 29
Partly cloudy
- 14
- 25
Showers easing
- 9
- 19
Showers
- 10
- 19
Showers
- 8
- 19
Shower or two
Today 29 Apr Yorke Peninsula
Partly cloudy. Winds north to northwesterly 15 to 20 km/h turning northeasterly in the late afternoon.
Spencer Gulf Coastal Waters
- Wind
- Northeasterly 10 to 15 knots.
- 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
- Partly cloudy.
- Weather Situation
- A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a front that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend. The low pressure system associated with this front is expected to cross south SA and bring a following trough across southern coasts late Sunday.
Port Moonta Temperature Statistics View More
April Temperature
Kadina Airport (14km)
Lowest 18 April, 2026
6.7 °CAverage April
17.8 °CHighest 21 April, 2026
30.2 °C
Climate (2021–Present)
Kadina Airport (14km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.5 °C