Dee Why Weather Forecast

Today 29 Dec
- 16
- 21
Mostly sunny
Tue 30 Dec
- 16
- 23
Sunny
Wed 31 Dec
- 17
- 23
Partly cloudy
Thu 1 Jan
- 19
- 21
Possible shower
Fri 2 Jan
- 18
- 23
Partly cloudy
Sat 3 Jan
- 18
- 25
Partly cloudy
Sun 4 Jan
- 20
- 27
Shower or two

Today 29 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 30 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
Wed 31 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 1 Jan
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 2 Jan
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 3 Jan
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 4 Jan
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 29 Dec Sydney

Sunny. Winds southeasterly 15 to 25 km/h becoming light in the evening.

Dee Why Temperature Statistics View More

December Temperature

Terrey Hills (8km)

Lowest 25 July, 2025
4.3 °C
Average 2025
17.4 °C
Highest 19 December, 2025
40.2 °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
21.1 °C
Highest 19 December, 2025
40.2 °C

Climate (2020–Present)

Terrey Hills (8km)

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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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