St Marys South Weather Forecast

Today 8 May
- 6
- 21
Clear
Sat 9 May
- 7
- 22
Sunny
Sun 10 May
- 7
- 23
Mostly sunny
Mon 11 May
- 11
- 22
Shower or two
Tue 12 May
- 13
- 22
Showers
Wed 13 May
- 13
- 21
Showers
Thu 14 May
- 13
- 20
Showers

Today 8 May
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 9 May
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 10 May
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 11 May
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 12 May
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 13 May
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 14 May
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 8 May Sydney

Clear. Winds west to southwesterly 15 to 25 km/h.

St Marys South Temperature Statistics View More

May Temperature

Horsley Park (11km)

Lowest 12 April, 2026
6.9 °C
Average 2026
20.8 °C
Highest 10 January, 2026
41.5 °C
Lowest 12 April, 2026
6.9 °C
Average April
17.7 °C
Highest 7 April, 2026
31.1 °C
Lowest 7 May, 2026
8 °C
Average May
16.6 °C
Highest 3 May, 2026
25.4 °C

Climate (2021–Present)

Horsley Park (11km)

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Average Low 2021–2026
12.3 °C
Average 2021–2026
17.3 °C
Average High 2021–2026
23.8 °C

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