Portland Airport Weather Forecast

Today 31 Dec
- 11
- 16
Cloudy
Thu 1 Jan
- 11
- 18
Cloudy
Fri 2 Jan
- 12
- 20
Partly cloudy
Sat 3 Jan
- 13
- 21
Partly cloudy
Sun 4 Jan
- 13
- 19
Cloudy
Mon 5 Jan
- 12
- 20
Partly cloudy
Tue 6 Jan
- 11
- 25
Sunny

Today 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
Mon 5 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
Tue 6 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 31 Dec South West

Partly cloudy. Winds southerly 25 to 35 km/h. Overnight temperatures falling to around 9 with daytime temperatures reaching between 18 and 22.

Portland Airport Temperature Statistics View More

December Temperature

Portland Airport (0km)

Lowest 20 August, 2025
0.3 °C
Average 2025
13.6 °C
Highest 22 February, 2025
37.2 °C
Lowest 14 November, 2025
5.6 °C
Average November
12.7 °C
Highest 2 November, 2025
25.5 °C
Lowest 5 December, 2025
6.9 °C
Average December
15.2 °C
Highest 29 December, 2025
35 °C

Climate (2020–Present)

Portland Airport (0km)

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Average Low 2020–2025
9.7 °C
Average 2020–2025
13.4 °C
Average High 2020–2025
18.1 °C

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