Myponga Beach Weather Forecast
- 12
- 21
Cloudy
- 13
- 20
Cloudy
- 12
- 22
Partly cloudy
- 13
- 28
Sunny
- 16
- 33
Sunny
- 20
- 34
Partly cloudy
- 20
- 27
Partly cloudy
Today 24 Dec Mount Lofty Ranges
Partly cloudy. Winds southerly 20 to 30 km/h.
Investigator Strait Coastal Waters
- Wind
- Southerly 15 to 20 knots turning southeasterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
- Weather
- Cloudy.
- Weather Situation
- A broad ridge of high pressure persists across South Australia this week as the high pressure centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State.
Myponga Beach Temperature Statistics View More
December Temperature
Parawa West (Second Valley Forest) (23km)
Lowest 7 December, 2025
7.1 °CAverage December
15.9 °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