St Marys Weather Forecast
- 3
- 10
Cloudy
- 3
- 10
Cloudy
- 3
- 12
Partly cloudy
- 1
- 13
Partly cloudy
- 3
- 11
Partly cloudy
- 2
- 12
Partly cloudy
- 3
- 13
Partly cloudy
Today 4 Jul East Coast
Partly cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the early afternoon. Daytime maximum temperatures between 7 and 11.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 3 July, 2026
6.7 °CAverage July
11.3 °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