St Marys Weather Forecast
- 5
- 14
Partly cloudy
- 4
- 14
Shower or two
- 2
- 16
Mostly sunny
- 3
- 15
Partly cloudy
- 4
- 13
Partly cloudy
- 4
- 13
Possible shower
- 4
- 13
Shower or two
Today 11 Aug East Coast
Partly cloudy. Patchy morning fog about higher ground. Winds west to southwesterly 15 to 20 km/h turning northwesterly in the afternoon. Daytime maximum temperatures between 11 and 15.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
9 °CHighest 6 August, 2026
16.3 °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