St Marys Weather Forecast

Today 27 Sep
- 2
- 15
Clear
Mon 28 Sep
- 2
- 16
Sunny
Tue 29 Sep
- 3
- 18
Partly cloudy
Wed 30 Sep
- 11
- 22
Shower or two
Thu 1 Oct
- 12
- 20
Showers
Fri 2 Oct
- 9
- 15
Shower or two
Sat 3 Oct
- 6
- 16
Partly cloudy

Today 27 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 28 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 29 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 30 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 1 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 2 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 3 Oct
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 27 Sep East Coast

Mostly sunny. Winds west to southwesterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures between 11 and 16.

St Marys Temperature Statistics View More

September Temperature

St Helens Aerodrome (28km)

Lowest 30 July, 2026
0.9 °C
Average 2026
13.7 °C
Highest 7 January, 2026
33.6 °C
Lowest 23 August, 2026
2.5 °C
Average August
11.1 °C
Highest 30 August, 2026
23.1 °C
Lowest 22 September, 2026
1.7 °C
Average September
12.4 °C
Highest 20 September, 2026
23.6 °C

Climate (2021–2026)

St Helens Aerodrome (28km)

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Average Low 2021–2026
9.4 °C
Average 2021–2026
13.4 °C
Average High 2021–2026
18.4 °C

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