St Marys Weather Forecast
- 10
- 20
Shower or two
- 6
- 14
Partly cloudy
- 4
- 15
Partly cloudy
- 4
- 16
Partly cloudy
- 7
- 17
Shower or two
- 9
- 19
Shower or two
- 9
- 21
Partly cloudy
Today 12 Oct East Coast
Partly cloudy. Very high chance of showers in the south, medium chance elsewhere. Winds west to northwesterly 25 to 40 km/h. Daytime maximum temperatures between 15 and 21.
St Marys Temperature Statistics View More
October Temperature
St Helens Aerodrome (28 km)
Lowest 7 October, 2026
5.7 °CAverage October
13.4 °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