St Marys Weather Forecast
- 30
- 40
Clear
- 19
- 31
Sunny
- 19
- 35
Partly cloudy
- 24
- 41
Sunny
- 22
- 33
Partly cloudy
- 15
- 24
Partly cloudy
- 12
- 27
Sunny
Today 27 Jan Adelaide
Sunny. Winds north to northwesterly 20 to 30 km/h tending northwest to southwesterly 25 to 35 km/h in the middle of the day then tending southeast to southwesterly in the late afternoon.
St Marys Temperature Statistics View More
January Temperature
Noarlunga (18km)
Lowest 1 January, 2026
11.2 °CAverage January
22.7 °CHighest 7 January, 2026
43.3 °C
Climate (2021–Present)
Noarlunga (18km)
Average Low 2021–2026
12.7 °CAverage 2021–2026
16.7 °CAverage High 2021–2026
21.8 °C