Castle Hill Weather Forecast

Today 7 May
- 9
- 17
Partly cloudy
Fri 8 May
- 6
- 20
Sunny
Sat 9 May
- 8
- 21
Sunny
Sun 10 May
- 9
- 22
Mostly sunny
Mon 11 May
- 12
- 21
Shower or two
Tue 12 May
- 14
- 21
Showers
Wed 13 May
- 13
- 21
Showers

Today 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
Tue 12 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 13 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 7 May Sydney

Partly cloudy. Winds west to southwesterly 25 to 35 km/h.

Castle Hill Temperature Statistics View More

May Temperature

Parramatta North (Masons Drive) (7km)

Lowest 18 April, 2026
9 °C
Average 2026
19.8 °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 5 May, 2026
10.6 °C
Average May
17.8 °C
Highest 3 May, 2026
26 °C

Climate (2021–Present)

Parramatta North (Masons Drive) (7km)

Take a look at our website widgetsAvailable free! Find Out More

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

Get WillyWeather+ to remove ads