St Marys South Weather Forecast

Today 11 Jul
- 5
- 19
Thick morning fog
Sun 12 Jul
- 9
- 17
Possible early shower
Mon 13 Jul
- 7
- 20
Sunny
Tue 14 Jul
- 6
- 20
Mostly sunny
Wed 15 Jul
- 7
- 19
Sunny
Thu 16 Jul
- 7
- 19
Partly cloudy
Fri 17 Jul
- 8
- 20
Partly cloudy

Today 11 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 12 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 13 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 14 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 15 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 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

Today 11 Jul Sydney

Areas of thick morning fog. Sunny afternoon. Light winds.

St Marys South Temperature Statistics View More

July Temperature

Horsley Park (11km)

Lowest 4 July, 2026
3.3 °C
Average 2026
18.6 °C
Highest 10 January, 2026
41.5 °C
Lowest 1 June, 2026
4 °C
Average June
13.5 °C
Highest 10 June, 2026
22.9 °C
Lowest 4 July, 2026
3.3 °C
Average July
12.9 °C
Highest 2 July, 2026
22.2 °C

Climate (2021–2026)

Horsley Park (11km)

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Average Low 2021–2026
12.4 °C
Average 2021–2026
17.4 °C
Average High 2021–2026
23.8 °C

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