Killara Weather Forecast

Today 17 Dec
- 17
- 27
Mostly sunny
Thu 18 Dec
- 17
- 35
Sunny
Fri 19 Dec
- 22
- 37
Sunny morning. Possible storm
Sat 20 Dec
- 20
- 32
Shower or two. Possible storm
Sun 21 Dec
- 21
- 37
Possible storm
Mon 22 Dec
- 22
- 32
Sunny morning. Shower or two
Tue 23 Dec
- 20
- 30
Shower or two

Today 17 Dec
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 18 Dec
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 19 Dec
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 20 Dec
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 21 Dec
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 22 Dec
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 23 Dec
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 17 Dec Sydney

Mostly sunny. Winds northeasterly 20 to 30 km/h.

Killara Temperature Statistics View More

December Temperature

Terrey Hills (10km)

Lowest 25 July, 2025
4.3 °C
Average 2025
17.3 °C
Highest 28 January, 2025
40.1 °C
Lowest 12 November, 2025
8.9 °C
Average November
19.8 °C
Highest 26 November, 2025
34.2 °C
Lowest 3 December, 2025
11.3 °C
Average December
20.7 °C
Highest 6 December, 2025
39.9 °C

Climate (2020–Present)

Terrey Hills (10km)

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Average Low 2020–2025
13.4 °C
Average 2020–2025
16.9 °C
Average High 2020–2025
21.8 °C

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