St Marys Weather Forecast
- 7
- 13
Showers
- 2
- 11
Partly cloudy
- 3
- 11
Cloudy
- 2
- 14
Partly cloudy
- 2
- 14
Partly cloudy
- 4
- 13
Partly cloudy
- 4
- 12
Shower or two
Today 28 Jul East Coast
Partly cloudy. High chance of showers in the north, medium chance elsewhere. Snow falling above 900 metres. Winds northwesterly 20 to 30 km/h.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 24 July, 2026
1.3 °CAverage July
9.9 °CHighest 19 July, 2026
17.3 °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