St Marys Weather Forecast

Today 16 Jul
- 4
- 15
Sunny
Fri 17 Jul
- 3
- 16
Mostly sunny
Sat 18 Jul
- 3
- 15
Partly cloudy
Sun 19 Jul
- 5
- 17
Partly cloudy
Mon 20 Jul
- 5
- 15
Partly cloudy
Tue 21 Jul
- 6
- 15
Possible shower
Wed 22 Jul
- 5
- 14
Sunny

Today 16 Jul
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 17 Jul
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 18 Jul
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 19 Jul
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 20 Jul
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 21 Jul
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 22 Jul
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 16 Jul East Coast

Areas of morning frost in the north. Patchy morning fog. Sunny afternoon. Light winds. Daytime maximum temperatures between 12 and 15.

St Marys Temperature Statistics View More

July Temperature

St Helens Aerodrome (28km)

Lowest 22 June, 2026
2.6 °C
Average 2026
14.5 °C
Highest 7 January, 2026
33.6 °C
Lowest 22 June, 2026
2.6 °C
Average June
10.8 °C
Highest 10 June, 2026
18.4 °C
Lowest 11 July, 2026
3.4 °C
Average July
9.5 °C
Highest 1 July, 2026
16.7 °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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