St Marys Weather Forecast

Today 25 Aug
- 7
- 15
Shower or two
Wed 26 Aug
- 5
- 14
Mostly sunny
Thu 27 Aug
- 3
- 16
Mostly sunny
Fri 28 Aug
- 5
- 15
Partly cloudy
Sat 29 Aug
- 2
- 18
Mostly sunny
Sun 30 Aug
- 5
- 19
Sunny
Mon 31 Aug
- 6
- 20
Mostly sunny

Today 25 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 26 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 27 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 28 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
Sat 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

Today 25 Aug East Coast

Partly cloudy. High chance of showers, becoming less likely later tonight. Light winds becoming westerly 15 to 20 km/h in the late evening.

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
10.7 °C
Highest 13 August, 2026
19.2 °C

Climate (2021–2026)

St Helens Aerodrome (28km)

Take a look at our website widgetsAvailable free! Find Out More

Average Low 2021–2026
9.4 °C
Average 2021–2026
13.4 °C
Average High 2021–2026
18.3 °C

Get WillyWeather+ to remove ads