St Marys Weather Forecast
- 4
- 11
Partly cloudy
- 7
- 14
Partly cloudy
- 4
- 15
Partly cloudy
- 4
- 15
Shower or two
- 8
- 13
Showers
- 3
- 11
Partly cloudy
- 3
- 12
Partly cloudy
Today 24 Jul East Coast
Cloudy. Medium chance of showers in the south, slight chance elsewhere. Snow possible above 700 metres. Winds west to northwesterly 25 to 35 km/h. Daytime maximum temperatures between 8 and 13.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 11 July, 2026
3.4 °CAverage July
9.8 °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