St Marys Weather Forecast
- 6
- 11
Cloudy
- 2
- 13
Partly cloudy
- 3
- 13
Mostly sunny
- 3
- 13
Partly cloudy
- 3
- 13
Shower or two
- 6
- 15
Showers
- 7
- 16
Shower or two
Today 24 Jun East Coast
Cloudy. Slight chance of a shower. Light winds. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 8 and 12.
St Marys Temperature Statistics View More
June Temperature
St Helens Aerodrome (28km)
Lowest 22 June, 2026
2.6 °CAverage June
11 °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