Port Moonta Weather Forecast
- 11
- 24
Mostly clear
- 9
- 27
Mostly sunny
- 12
- 32
Partly cloudy
- 15
- 30
Possible late shower
- 12
- 24
Showers
- 9
- 19
Showers easing
- 7
- 19
Shower or two
Today 20 Oct Yorke Peninsula
Mostly clear. Winds south to southeasterly 15 to 20 km/h.
Spencer Gulf Coastal Waters
- Wind
- Southerly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A trough of low pressure lingers about the east, before weakening from late Wednesday. A slow moving high pressure system in the Tasman Sea will re-establish a ridge across southern parts from Wednesday. A trough is then forecast to briefly move into the west on Thursday, before another trough and cold front move more broadly across SA on Friday and Saturday.
Port Moonta Temperature Statistics View More
October Temperature
Kadina Airport (14 km)
Lowest 6 October, 2026
4.2 °CAverage October
16 °CHighest 8 October, 2026
30.4 °C
Climate (2021–2026)
Kadina Airport (14 km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
23.5 °C