St Marys Weather Forecast

Today 18 Jul
- 3
- 16
Partly cloudy
Sun 19 Jul
- 5
- 17
Partly cloudy
Mon 20 Jul
- 6
- 15
Mostly sunny
Tue 21 Jul
- 6
- 15
Partly cloudy
Wed 22 Jul
- 8
- 14
Shower or two
Thu 23 Jul
- 2
- 11
Partly cloudy
Fri 24 Jul
- 3
- 13
Partly cloudy

Today 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
Thu 23 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 24 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 18 Jul East Coast

Partly cloudy. Winds west to northwesterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures between 11 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 16 July, 2026
17.2 °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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