St Marys Weather Forecast

Today 30 Sep
- 9
- 31
Mostly clear
Thu 1 Oct
- 12
- 33
Sunny
Fri 2 Oct
- 15
- 30
Partly cloudy
Sat 3 Oct
- 16
- 24
Showers
Sun 4 Oct
- 12
- 27
Sunny
Mon 5 Oct
- 14
- 27
Partly cloudy
Tue 6 Oct
- 13
- 29
Possible shower

Today 30 Sep
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 1 Oct
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 2 Oct
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 3 Oct
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 4 Oct
1. 1 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 5 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 6 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 30 Sep Sydney

Sunny. Winds north to northeasterly 15 to 25 km/h becoming light in the late evening.

St Marys Temperature Statistics View More

September Temperature

Penrith Lakes (10km)

Lowest 31 July, 2026
1.1 °C
Average 2026
17.5 °C
Highest 9 January, 2026
42.5 °C
Lowest 6 August, 2026
2.1 °C
Average August
13.1 °C
Highest 24 August, 2026
25.9 °C
Lowest 18 September, 2026
5.4 °C
Average September
17.1 °C
Highest 26 September, 2026
35.1 °C

Climate (2021–2026)

Penrith Lakes (10km)

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Average Low 2021–2026
12.7 °C
Average 2021–2026
17.9 °C
Average High 2021–2026
24.9 °C

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