St Marys Weather Forecast
- 1
- 13
Mostly clear
- 3
- 12
Possible shower
- 3
- 13
Partly cloudy
- 4
- 13
Partly cloudy
- 4
- 13
Shower or two
- 5
- 13
Shower or two
- 4
- 13
Possible shower
Today 7 Jul East Coast
Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Light winds.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 5 July, 2026
4.2 °CAverage July
10.3 °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