St Marys Weather Forecast

Today 29 Aug
- 3
- 20
Sunny
Sun 30 Aug
- 5
- 20
Sunny
Mon 31 Aug
- 5
- 18
Mostly sunny
Tue 1 Sep
- 5
- 17
Showers increasing
Wed 2 Sep
- 6
- 16
Partly cloudy
Thu 3 Sep
- 7
- 16
Possible shower
Fri 4 Sep
- 6
- 15
Shower or two

Today 29 Aug
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 30 Aug
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 31 Aug
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 1 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 2 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 3 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
Fri 4 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

Today 29 Aug East Coast

Sunny. Winds westerly 20 to 30 km/h. Overnight temperatures falling to between 2 and 8 with daytime temperatures reaching between 15 and 20.

St Marys Temperature Statistics View More

August Temperature

St Helens Aerodrome (28km)

Lowest 30 July, 2026
0.9 °C
Average 2026
13.8 °C
Highest 7 January, 2026
33.6 °C
Lowest 30 July, 2026
0.9 °C
Average July
9.8 °C
Highest 19 July, 2026
17.3 °C
Lowest 23 August, 2026
2.5 °C
Average August
10.9 °C
Highest 13 August, 2026
19.2 °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
18.3 °C

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