St Marys Weather Forecast
- 3
- 12
Clear
- 3
- 14
Partly cloudy
- 1
- 14
Morning frost. Partly cloudy
- 5
- 15
Partly cloudy
- 4
- 13
Showers
- 4
- 12
Shower or two
- 5
- 13
Shower or two
Today 30 Jul East Coast
Mostly clear. Winds westerly 15 to 25 km/h.
St Marys Temperature Statistics View More
July Temperature
St Helens Aerodrome (28km)
Lowest 24 July, 2026
1.3 °CAverage July
10 °CHighest 19 July, 2026
17.3 °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