St Marys Weather Forecast
- 7
- 17
Clear
- 8
- 19
Mostly sunny
- 12
- 21
Mostly sunny morning. Showers
- 11
- 16
Shower or two
- 12
- 17
Shower or two
- 12
- 20
Showers
- 11
- 16
Shower or two
Today 30 Aug Adelaide
Clear. Light winds.
St Marys Temperature Statistics View More
August Temperature
Noarlunga (18km)
Lowest 5 August, 2026
4.2 °CAverage August
12.8 °CHighest 18 August, 2026
20.1 °C
Climate (2021–2026)
Noarlunga (18km)
Average Low 2021–2026
12.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
21.9 °C