St Marys Weather Forecast
- 3
- 15
Partly cloudy
- 4
- 13
Partly cloudy
- 3
- 14
Partly cloudy
- 3
- 14
Possible shower
- 5
- 14
Shower or two
- 7
- 15
Shower or two
- 8
- 16
Shower or two
Today 14 Aug East Coast
Partly cloudy. Medium chance of light showers in the south, slight chance elsewhere. Winds westerly 20 to 30 km/h turning south to southwesterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 12 and 17.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
9.8 °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