Portland Airport Weather Forecast

Today 21 Sep
- 8
- 13
Partly cloudy
Tue 22 Sep
- 3
- 15
Partly cloudy
Wed 23 Sep
- 5
- 18
Sunny
Thu 24 Sep
- 9
- 22
Cloudy
Fri 25 Sep
- 12
- 21
Shower or two
Sat 26 Sep
- 11
- 18
Possible shower
Sun 27 Sep
- 11
- 22
Partly cloudy

Today 21 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 22 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 23 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 24 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 25 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 26 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 27 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 21 Sep South West

Cloudy. Winds southerly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 13.

Portland Airport Temperature Statistics View More

September Temperature

Portland Airport (0km)

Lowest 8 July, 2026
0.5 °C
Average 2026
13.6 °C
Highest 24 January, 2026
39.3 °C
Lowest 2 August, 2026
2.2 °C
Average August
10.7 °C
Highest 31 August, 2026
19.1 °C
Lowest 8 September, 2026
2.1 °C
Average September
12.2 °C
Highest 19 September, 2026
22.3 °C

Climate (2021–2026)

Portland Airport (0km)

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Average Low 2021–2026
9.7 °C
Average 2021–2026
13.5 °C
Average High 2021–2026
18.2 °C

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