St Marys Weather Forecast
- 3
- 15
Partly cloudy
- 4
- 14
Partly cloudy
- 5
- 14
Showers
- 8
- 16
Showers
- 8
- 16
Shower or two
- 4
- 15
Partly cloudy
- 4
- 15
Mostly sunny
Today 16 Aug East Coast
Partly cloudy. Light winds. Daytime maximum temperatures between 12 and 15.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
10.1 °CHighest 13 August, 2026
19.2 °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