Myponga Beach Weather Forecast
- 13
- 22
Partly cloudy
- 12
- 21
Cloudy
- 13
- 20
Cloudy
- 12
- 23
Sunny
- 15
- 30
Sunny
- 17
- 33
Sunny
- 19
- 34
Partly cloudy
Today 23 Dec Mount Lofty Ranges
Partly cloudy. Winds south to southwesterly 15 to 25 km/h.
Investigator Strait Coastal Waters
- Wind
- West to southwesterly 15 to 20 knots tending south to southwesterly 10 to 15 knots in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
- 1st Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast on Wednesday morning.
Myponga Beach Temperature Statistics View More
December Temperature
Parawa West (Second Valley Forest) (23km)
Lowest 7 December, 2025
7.1 °CAverage December
16 °CHighest 18 December, 2025
37 °C
Climate (2020–Present)
Parawa West (Second Valley Forest) (23km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
17.6 °C