St Clair Weather Forecast

Today 18 Jan
- 17
- 22
Shower or two
Mon 19 Jan
- 17
- 24
Shower or two
Tue 20 Jan
- 16
- 25
Shower or two
Wed 21 Jan
- 15
- 26
Mostly sunny
Thu 22 Jan
- 14
- 27
Mostly sunny
Fri 23 Jan
- 18
- 27
Cloudy
Sat 24 Jan
- 19
- 30
Cloudy

Today 18 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 19 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 20 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 21 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 22 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 23 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 24 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 18 Jan Sydney

Cloudy. Medium chance of showers. Winds southeasterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

St Clair Temperature Statistics View More

January Temperature

Horsley Park (9km)

Lowest 1 January, 2026
15.4 °C
Average 2026
22.9 °C
Highest 10 January, 2026
41.5 °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
22.9 °C
Highest 10 January, 2026
41.5 °C

Climate (2021–Present)

Horsley Park (9km)

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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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