St Marys Weather Forecast
- 11
- 20
Morning shower or two
- 4
- 19
Partly cloudy
- 10
- 20
Showers easing
- 5
- 15
Shower or two
- 3
- 14
Partly cloudy
- 4
- 15
Partly cloudy
- 7
- 16
Shower or two
Today 10 Oct East Coast
Partly cloudy. Medium chance of showers in the north, slight chance elsewhere. Winds northerly 15 to 25 km/h turning west to northwesterly 25 to 40 km/h during the morning. Daytime maximum temperatures between 16 and 22.
St Marys Temperature Statistics View More
October Temperature
St Helens Aerodrome (28 km)
Lowest 7 October, 2026
5.7 °CAverage October
12.8 °CHighest 1 October, 2026
22.4 °C
Climate (2021–2026)
St Helens Aerodrome (28 km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
18.4 °C