Blacktown Weather Forecast

Today 18 Sep
- 9
- 23
Sunny
Fri 19 Sep
- 9
- 27
Late shower or two
Sat 20 Sep
- 16
- 22
Sunny
Sun 21 Sep
- 7
- 22
Partly cloudy
Mon 22 Sep
- 9
- 23
Partly cloudy
Tue 23 Sep
- 10
- 19
Partly cloudy
Wed 24 Sep
- 7
- 22
Sunny

Today 18 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
Fri 19 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
Sat 20 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
Sun 21 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
Mon 22 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
Tue 23 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
Wed 24 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

Today 18 Sep Sydney

Sunny. Light winds becoming northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Blacktown Temperature Statistics View More

September Temperature

Horsley Park (10km)

Lowest 17 July, 2025
0.5 °C
Average 2025
16.9 °C
Highest 28 January, 2025
42 °C
Lowest 31 August, 2025
3 °C
Average August
12.9 °C
Highest 26 August, 2025
24.2 °C
Lowest 3 September, 2025
5.2 °C
Average September
16 °C
Highest 8 September, 2025
28.9 °C

Climate (2020–Present)

Horsley Park (10km)

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Average Low 2020–2025
12.2 °C
Average 2020–2025
17.2 °C
Average High 2020–2025
23.5 °C

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