St Marys Weather Forecast
- 9
- 23
Mostly sunny
- 10
- 24
Sunny
- 10
- 22
Partly cloudy
- 10
- 24
Mostly sunny
- 9
- 22
Mostly sunny
- 8
- 22
Mostly sunny
- 9
- 20
Partly cloudy
Today 23 Apr East Coast
Mostly sunny. The chance of morning fog about higher ground. Winds west to northwesterly 15 to 20 km/h becoming light in the early morning then becoming northwest to northeasterly 20 to 30 km/h in the middle of the day. Daytime maximum temperatures in the low to mid 20s.
St Marys Temperature Statistics View More
April Temperature
St Helens Aerodrome (28km)
Lowest 19 April, 2026
4.3 °CAverage April
13.6 °CHighest 1 April, 2026
26 °C
Climate (2021–Present)
St Helens Aerodrome (28km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
13.3 °CAverage High 2021–2026
18.2 °C