Port Moonta Weather Forecast
- 13
- 29
Sunny
- 16
- 25
Morning shower or two. Windy
- 11
- 24
Partly cloudy
- 11
- 25
Cloud clearing
- 11
- 26
Cloud clearing
- 12
- 29
Cloud clearing
- 13
- 31
Mostly sunny
Today 20 Dec Yorke Peninsula
Mostly sunny day. Slight chance of a shower at night. Winds southerly 20 to 30 km/h tending southeasterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 13 with daytime temperatures reaching 25 to 31.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the late afternoon. Winds turning east to southeasterly 10 to 15 knots in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres north of Cowell to Wallaroo around midday.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
- Weather
- Partly cloudy.
Port Moonta Temperature Statistics View More
December Temperature
Kadina Airport (14km)
Lowest 8 December, 2025
7 °CAverage December
21.2 °CHighest 18 December, 2025
41.4 °C
Climate (2020–Present)
Kadina Airport (14km)
Average Low 2020–2025
10 °CAverage 2020–2025
16.3 °CAverage High 2020–2025
23.4 °C