St Marys Weather Forecast
- 7
- 14
Cloudy
- 6
- 11
Early shower or two
- 3
- 13
Sunny
- 1
- 13
Sunny
- 3
- 12
Shower or two
- 2
- 11
Mostly sunny
- 3
- 13
Mostly sunny
Today 19 Jun East Coast
Cloudy. Medium chance of showers. Winds southwesterly 15 to 20 km/h.
St Marys Temperature Statistics View More
June Temperature
St Helens Aerodrome (28km)
Lowest 15 June, 2026
2.9 °CAverage June
11.4 °CHighest 10 June, 2026
18.4 °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