St Marys South Weather Forecast

Today 10 Oct
- 14
- 31
Clear
Sun 11 Oct
- 14
- 31
Partly cloudy
Mon 12 Oct
- 15
- 36
Showers. Possible afternoon storm
Tue 13 Oct
- 18
- 22
Showers
Wed 14 Oct
- 12
- 19
Shower or two
Thu 15 Oct
- 11
- 19
Shower or two
Fri 16 Oct
- 13
- 19
Showers

Today 10 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 11 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 12 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 13 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 14 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 15 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 16 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 10 Oct Sydney

Mostly sunny. Winds northwesterly 15 to 25 km/h tending westerly 20 to 30 km/h in the early afternoon then becoming light in the evening.

St Marys South Temperature Statistics View More

October Temperature

Horsley Park (11 km)

Lowest 25 July, 2026
1.2 °C
Average 2026
17.2 °C
Highest 10 January, 2026
41.5 °C
Lowest 18 September, 2026
5.2 °C
Average September
16.7 °C
Highest 26 September, 2026
35 °C
Lowest 9 October, 2026
7.8 °C
Average October
17.7 °C
Highest 1 October, 2026
31.5 °C

Climate (2021–2026)

Horsley Park (11 km)

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

Average Low 2021–2026
12.5 °C
Average 2021–2026
17.5 °C
Average High 2021–2026
23.9 °C

Get WillyWeather+ to remove ads