St Marys Weather Forecast
- 4
- 16
Mostly clear
- 5
- 16
Sunny
- 2
- 18
Sunny
- 5
- 19
Sunny
- 5
- 19
Mostly sunny
- 5
- 16
Showers
- 7
- 17
Possible shower
Today 27 Aug East Coast
Partly cloudy. Winds west to northwesterly 15 to 25 km/h.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 23 August, 2026
2.5 °CAverage August
10.7 °CHighest 13 August, 2026
19.2 °C
Climate (2021–2026)
St Helens Aerodrome (28km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C