St Marys Weather Forecast
- 3
- 10
Partly cloudy
- 3
- 12
Cloudy
- 0
- 13
Morning frost. Partly cloudy
- 3
- 12
Partly cloudy
- 1
- 12
Mostly sunny
- 3
- 13
Partly cloudy
- 3
- 13
Possible shower
Today 5 Jul East Coast
Partly cloudy. Light winds.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 4 July, 2026
5.1 °CAverage July
10.7 °CHighest 1 July, 2026
16.7 °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