St Marys Weather Forecast

Today 29 Jan
- 20
- 31
Partly cloudy
Fri 30 Jan
- 19
- 35
Mostly sunny
Sat 31 Jan
- 20
- 37
Sunny
Sun 1 Feb
- 22
- 33
Showers increasing
Mon 2 Feb
- 16
- 22
Shower or two
Tue 3 Feb
- 17
- 24
Shower or two
Wed 4 Feb
- 19
- 31
Shower or two

Today 29 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 30 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
Sat 31 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 1 Feb
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 2 Feb
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 3 Feb
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 4 Feb
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 29 Jan Sydney

Partly cloudy. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

St Marys Temperature Statistics View More

January Temperature

Penrith Lakes (10km)

Lowest 21 January, 2026
15.9 °C
Average 2026
23.1 °C
Highest 9 January, 2026
42.5 °C
Lowest 1 December, 2025
11.3 °C
Average December
22.8 °C
Highest 19 December, 2025
41.9 °C
Lowest 21 January, 2026
15.9 °C
Average January
23.1 °C
Highest 9 January, 2026
42.5 °C

Climate (2021–Present)

Penrith Lakes (10km)

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Average Low 2021–2026
12.5 °C
Average 2021–2026
17.7 °C
Average High 2021–2026
24.8 °C

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