Portland International Airport (PDX) 15 Day Weather Forecast, Portland United States
Current weather conditions and 15 day weather forecast for Portland International Airport in Portland, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at PDX
| 11 September 2026 Fri 12.3 ° C ( 54.1°F )  Overcast |
Feels Like : 11.8 ° C / 53.2°F Humidity : % 86 Pressure : 1018 mb Wind Speed : 3.6 kmph / 2.2 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Portland International Airport, Portland, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 11 September 2026 Fri | Overcast |
10.2 ° C | 22.6 ° C | 15.6 ° C | % 64 | 5 km/h | 10% |
| 12 September 2026 Sat | Overcast |
11.3 ° C | 18.3 ° C | 14.1 ° C | % 73 | 7.9 km/h | 76% |
| 13 September 2026 Sun |  Patchy rain nearby |
10.9 ° C | 19.1 ° C | 14 ° C | % 78 | 12.6 km/h | 69% |
| 14 September 2026 Mon |  Sunny |
9.2 ° C | 21.4 ° C | 14.1 ° C | % 69 | 6.8 km/h | 8% |
| 15 September 2026 Tue | Overcast |
9.3 ° C | 22.2 ° C | 15.1 ° C | % 62 | 10.1 km/h | 8% |
| 16 September 2026 Wed | Sunny |
10.8 ° C | 29.8 ° C | 19.4 ° C | % 44 | 14 km/h | 1% |
| 17 September 2026 Thu | Sunny |
13.4 ° C | 29.9 ° C | 20.7 ° C | % 39 | 6.5 km/h | 1% |
| 18 September 2026 Fri | Overcast |
14.8 ° C | 29.1 ° C | 21.2 ° C | % 46 | 6.1 km/h | 7% |
| 19 September 2026 Sat | Sunny |
15.1 ° C | 25.4 ° C | 19.5 ° C | % 61 | 7.6 km/h | 6% |
| 20 September 2026 Sun | Patchy rain nearby |
13.4 ° C | 19 ° C | 15.6 ° C | % 70 | 6.1 km/h | 21% |
| 21 September 2026 Mon | Sunny |
11.7 ° C | 21.7 ° C | 16.5 ° C | % 57 | 17.3 km/h | 8% |
| 22 September 2026 Tue | Patchy rain nearby |
10.4 ° C | 17.9 ° C | 13.5 ° C | % 63 | 14.8 km/h | 17% |
| 23 September 2026 Wed | Sunny |
8.4 ° C | 20.3 ° C | 13.4 ° C | % 60 | 11.9 km/h | 6% |
| 24 September 2026 Thu | Sunny |
8.7 ° C | 20.7 ° C | 13.6 ° C | % 34 | 15.1 km/h | 1% |
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