St Marys Weather Forecast
- 7
- 13
Clear
- 1
- 16
Morning frost. Sunny
- 6
- 17
Partly cloudy
- 6
- 13
Shower or two
- 6
- 15
Possible shower
- 5
- 17
Partly cloudy
- 5
- 17
Shower or two
Today 22 Aug East Coast
Partly cloudy. Winds westerly 25 to 35 km/h decreasing to 15 to 20 km/h in the evening.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
10.5 °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