St Marys Weather Forecast
- 1
- 16
Mostly clear
- 6
- 17
Partly cloudy
- 7
- 13
Showers
- 5
- 14
Partly cloudy
- 3
- 17
Mostly sunny
- 5
- 15
Partly cloudy
- 4
- 18
Mostly sunny
Today 23 Aug East Coast
Partly cloudy. Winds northwesterly 15 to 25 km/h.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
10.7 °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