Mortdale Weather Forecast

Today 17 Dec
- 17
- 26
Mostly sunny
Thu 18 Dec
- 17
- 32
Sunny
Fri 19 Dec
- 20
- 35
Sunny morning. Possible storm
Sat 20 Dec
- 19
- 31
Shower or two. Possible storm
Sun 21 Dec
- 20
- 35
Possible storm
Mon 22 Dec
- 21
- 31
Possible shower
Tue 23 Dec
- 19
- 29
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.

Mortdale Temperature Statistics View More

December Temperature

Canterbury (8km)

Lowest 16 July, 2025
1.3 °C
Average 2025
17.7 °C
Highest 28 January, 2025
40.7 °C
Lowest 12 November, 2025
6.9 °C
Average November
20.4 °C
Highest 26 November, 2025
34.3 °C
Lowest 1 December, 2025
9.7 °C
Average December
21.5 °C
Highest 6 December, 2025
38.8 °C

Climate (2020–Present)

Canterbury (8km)

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Average Low 2020–2025
12.5 °C
Average 2020–2025
17.5 °C
Average High 2020–2025
23.1 °C

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