St Marys Weather Forecast
- 10
- 17
Possible shower
- 9
- 15
Showers
- 9
- 14
Showers
- 10
- 15
Showers
- 11
- 16
Shower or two
- 11
- 17
Shower or two
- 10
- 16
Shower or two
Today 24 May East Coast
Partly cloudy. Slight chance of a shower in the evening. Light winds. Daytime maximum temperatures between 15 and 19.
St Marys Temperature Statistics View More
May Temperature
St Helens Aerodrome (28km)
Lowest 21 May, 2026
4.4 °CAverage May
13.2 °CHighest 1 May, 2026
24.9 °C
Climate (2021–Present)
St Helens Aerodrome (28km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C