St Marys Weather Forecast

Today 15 Aug
- 3
- 12
Partly cloudy
Sun 16 Aug
- 2
- 14
Partly cloudy
Mon 17 Aug
- 3
- 13
Cloudy
Tue 18 Aug
- 6
- 13
Showers
Wed 19 Aug
- 8
- 15
Showers
Thu 20 Aug
- 9
- 16
Showers
Fri 21 Aug
- 5
- 15
Shower or two

Today 15 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 16 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 17 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 18 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
Wed 19 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
Thu 20 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
Fri 21 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

Today 15 Aug East Coast

Partly cloudy. Areas of morning frost about higher ground. The chance of morning fog. Light winds. Daytime maximum temperatures between 10 and 14.

St Marys Temperature Statistics View More

August Temperature

St Helens Aerodrome (28km)

Lowest 30 July, 2026
0.9 °C
Average 2026
13.9 °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 1 August, 2026
3 °C
Average August
10.1 °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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