St Marys Weather Forecast
- 9
- 14
Rain
- 8
- 14
Showers
- 8
- 14
Showers
- 5
- 13
Shower or two
- 4
- 9
Partly cloudy
- 4
- 11
Cloudy
- 5
- 13
Partly cloudy
Today 30 Jun East Coast
Cloudy. Very high chance of showers. Winds northerly 15 to 20 km/h becoming light in the late evening. Daytime maximum temperatures between 12 and 16.
St Marys Temperature Statistics View More
June Temperature
St Helens Aerodrome (28km)
Lowest 22 June, 2026
2.6 °CAverage June
10.7 °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