Castle Hill Weather Forecast

Today 5 May
- 12
- 23
Clear
Wed 6 May
- 10
- 23
Partly cloudy
Thu 7 May
- 9
- 18
Mostly sunny
Fri 8 May
- 7
- 19
Sunny
Sat 9 May
- 9
- 21
Sunny
Sun 10 May
- 8
- 22
Sunny
Mon 11 May
- 11
- 20
Shower or two

Today 5 May
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 6 May
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 7 May
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 8 May
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 9 May
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 10 May
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 11 May
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 5 May Sydney

Clear. Winds southwesterly 15 to 20 km/h becoming light in the evening.

Castle Hill Temperature Statistics View More

May Temperature

Parramatta North (Masons Drive) (7km)

Lowest 18 April, 2026
9 °C
Average 2026
19.9 °C
Highest 10 January, 2026
42.2 °C
Lowest 18 April, 2026
9 °C
Average April
17.3 °C
Highest 9 April, 2026
31.5 °C
Lowest 1 May, 2026
13 °C
Average May
18.4 °C
Highest 3 May, 2026
26 °C

Climate (2021–Present)

Parramatta North (Masons Drive) (7km)

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Average Low 2021–2026
13.2 °C
Average 2021–2026
17.5 °C
Average High 2021–2026
23.6 °C

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