St Marys Weather Forecast

Today 18 Jun
- 10
- 16
Showers
Fri 19 Jun
- 7
- 14
Showers
Sat 20 Jun
- 6
- 12
Partly cloudy
Sun 21 Jun
- 2
- 12
Mostly sunny
Mon 22 Jun
- 1
- 13
Partly cloudy
Tue 23 Jun
- 3
- 11
Shower or two
Wed 24 Jun
- 4
- 11
Partly cloudy

Today 18 Jun
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 19 Jun
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 20 Jun
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 21 Jun
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 22 Jun
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 23 Jun
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 24 Jun
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 Jun East Coast

Cloudy. Medium chance of showers. Winds north to northwesterly 15 to 25 km/h.

St Marys Temperature Statistics View More

June Temperature

St Helens Aerodrome (28km)

Lowest 15 June, 2026
2.9 °C
Average 2026
15.3 °C
Highest 7 January, 2026
33.6 °C
Lowest 21 May, 2026
4.4 °C
Average May
13.3 °C
Highest 1 May, 2026
24.9 °C
Lowest 15 June, 2026
2.9 °C
Average June
11.3 °C
Highest 10 June, 2026
18.4 °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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