St Marys South Weather Forecast

Today 3 Jan
- 17
- 30
Possible storm
Sun 4 Jan
- 18
- 32
Shower or two. Storm
Mon 5 Jan
- 17
- 30
Shower or two. Possible storm
Tue 6 Jan
- 19
- 31
Partly cloudy
Wed 7 Jan
- 19
- 37
Cloud clearing
Thu 8 Jan
- 20
- 41
Sunny
Fri 9 Jan
- 20
- 41
Sunny

Today 3 Jan
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 4 Jan
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 5 Jan
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 6 Jan
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 7 Jan
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 8 Jan
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 9 Jan
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 3 Jan Sydney

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon and evening. Winds northeasterly 25 to 35 km/h.

St Marys South Temperature Statistics View More

January Temperature

Horsley Park (11km)

Lowest 1 January, 2026
15.4 °C
Average 2026
18.4 °C
Highest 1 January, 2026
21 °C
Lowest 3 December, 2025
9.6 °C
Average December
21.8 °C
Highest 19 December, 2025
41 °C
Lowest 1 January, 2026
15.4 °C
Average January
18.4 °C
Highest 1 January, 2026
21 °C

Climate (2021–Present)

Horsley Park (11km)

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Average Low 2021–2026
12.2 °C
Average 2021–2026
17.3 °C
Average High 2021–2026
23.7 °C

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