Thornlie Weather Forecast

Today 15 Dec
- 23
- 35
Mostly clear
Tue 16 Dec
- 21
- 32
Mostly sunny
Wed 17 Dec
- 18
- 26
Cloud clearing
Thu 18 Dec
- 15
- 34
Sunny
Fri 19 Dec
- 17
- 35
Sunny
Sat 20 Dec
- 16
- 31
Sunny
Sun 21 Dec
- 13
- 32
Sunny

Today 15 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 16 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 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

Today 15 Dec Perth

Mostly clear. The chance of smoke haze. Light winds.

Thornlie Temperature Statistics View More

December Temperature

Jandakot Airport (8km)

Lowest 25 July, 2025
-1.3 °C
Average 2025
18.4 °C
Highest 20 January, 2025
42.9 °C
Lowest 2 November, 2025
5.3 °C
Average November
20.1 °C
Highest 17 November, 2025
34.9 °C
Lowest 4 December, 2025
13.2 °C
Average December
23.7 °C
Highest 14 December, 2025
40.7 °C

Climate (2020–Present)

Jandakot Airport (8km)

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Average Low 2020–2025
12.6 °C
Average 2020–2025
18.6 °C
Average High 2020–2025
25.4 °C

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