St Marys Weather Forecast
- 3
- 14
Partly cloudy
- 2
- 14
Mostly sunny
- 1
- 14
Partly cloudy
- 7
- 13
Rain increasing
- 8
- 13
Showers easing
- 3
- 14
Shower or two
- 6
- 11
Showers
Today 6 Aug East Coast
Mostly sunny morning. Areas of frost and patchy fog about higher ground in the morning. Slight chance of a shower, most likely in the evening. Winds westerly 15 to 20 km/h becoming light in the early afternoon. Overnight temperatures falling to between zero and 5 with daytime temperatures reaching between 10 and 15.
St Marys Temperature Statistics View More
August Temperature
St Helens Aerodrome (28km)
Lowest 1 August, 2026
3 °CAverage August
8.5 °CHighest 2 August, 2026
15.7 °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