St Marys Weather Forecast
- 1
- 13
Sunny day. Shower or two
- 6
- 13
Showers
- 8
- 14
Showers increasing
- 8
- 15
Showers
- 9
- 14
Showers
- 5
- 13
Shower or two
- 4
- 10
Partly cloudy
Today 28 Jun East Coast
Partly cloudy. Slight chance of a shower in the evening. Light winds. Daytime maximum temperatures between 10 and 14.
St Marys Temperature Statistics View More
June Temperature
St Helens Aerodrome (28km)
Lowest 22 June, 2026
2.6 °CAverage June
10.7 °CHighest 10 June, 2026
18.4 °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