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
| 14 August 2025 Thu 18.3 ° C ( 64.9°F )  Overcast |
Feels Like : 18.3 ° C / 64.9°F Humidity : % 70 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from ESE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Portland International Airport, Portland, United States
| Date | |
|---|---|
| 14 August 2025 Thu | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 15.7 ° C |
| High temperature | 25.1 ° C |
| Average Temperature | 20.3 ° C |
| Humidity | % 67 |
| Wind | 17.3 km/h |
| Chance of rain | 90% |
| 15 August 2025 Fri | |
| Weather forecast |  Heavy rain |
| Low temperature | 16.2 ° C |
| High temperature | 20.9 ° C |
| Average Temperature | 17.9 ° C |
| Humidity | % 89 |
| Wind | 9.4 km/h |
| Chance of rain | 88% |
| 16 August 2025 Sat | |
| Weather forecast |  Moderate rain |
| Low temperature | 17.3 ° C |
| High temperature | 23.9 ° C |
| Average Temperature | 20.1 ° C |
| Humidity | % 72 |
| Wind | 11.5 km/h |
| Chance of rain | 85% |
| 17 August 2025 Sun | |
| Weather forecast |  Sunny |
| Low temperature | 12.1 ° C |
| High temperature | 27.1 ° C |
| Average Temperature | 19.1 ° C |
| Humidity | % 64 |
| Wind | 11.9 km/h |
| Chance of rain | 0% |
| 18 August 2025 Mon | |
| Weather forecast |  Cloudy |
| Low temperature | 14.7 ° C |
| High temperature | 25.3 ° C |
| Average Temperature | 18.7 ° C |
| Humidity | % 59 |
| Wind | 6.8 km/h |
| Chance of rain | 0% |
| 19 August 2025 Tue | |
| Weather forecast | Sunny |
| Low temperature | 13.2 ° C |
| High temperature | 27.8 ° C |
| Average Temperature | 19.9 ° C |
| Humidity | % 53 |
| Wind | 7.9 km/h |
| Chance of rain | 0% |
| 20 August 2025 Wed | |
| Weather forecast | Sunny |
| Low temperature | 12.9 ° C |
| High temperature | 28.2 ° C |
| Average Temperature | 20 ° C |
| Humidity | % 58 |
| Wind | 12.6 km/h |
| Chance of rain | 0% |
| 21 August 2025 Thu | |
| Weather forecast | Sunny |
| Low temperature | 12.7 ° C |
| High temperature | 28.4 ° C |
| Average Temperature | 19.8 ° C |
| Humidity | % 63 |
| Wind | 13.7 km/h |
| Chance of rain | 0% |
| 22 August 2025 Fri | |
| Weather forecast | Sunny |
| Low temperature | 12.1 ° C |
| High temperature | 31.6 ° C |
| Average Temperature | 20.7 ° C |
| Humidity | % 55 |
| Wind | 14 km/h |
| Chance of rain | 0% |
| 23 August 2025 Sat | |
| Weather forecast | Sunny |
| Low temperature | 13 ° C |
| High temperature | 34 ° C |
| Average Temperature | 23.2 ° C |
| Humidity | % 37 |
| Wind | 12.6 km/h |
| Chance of rain | 0% |
| 24 August 2025 Sun | |
| Weather forecast | Sunny |
| Low temperature | 14 ° C |
| High temperature | 32.3 ° C |
| Average Temperature | 22 ° C |
| Humidity | % 43 |
| Wind | 11.2 km/h |
| Chance of rain | 0% |
| 25 August 2025 Mon | |
| Weather forecast | Sunny |
| Low temperature | 12.6 ° C |
| High temperature | 29 ° C |
| Average Temperature | 19.8 ° C |
| Humidity | % 56 |
| Wind | 19.1 km/h |
| Chance of rain | 0% |
| 26 August 2025 Tue | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 16.3 ° C |
| High temperature | 21.6 ° C |
| Average Temperature | 18 ° C |
| Humidity | % 68 |
| Wind | 11.9 km/h |
| Chance of rain | 89% |
| 27 August 2025 Wed | |
| Weather forecast | Overcast |
| Low temperature | 14.2 ° C |
| High temperature | 19.8 ° C |
| Average Temperature | 16.9 ° C |
| Humidity | % 73 |
| Wind | 8.6 km/h |
| Chance of rain | 0% |
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 August 2025 Thu | Patchy rain nearby |
15.7 ° C | 25.1 ° C | 20.3 ° C | % 67 | 17.3 km/h | 90% |
| 15 August 2025 Fri | Heavy rain |
16.2 ° C | 20.9 ° C | 17.9 ° C | % 89 | 9.4 km/h | 88% |
| 16 August 2025 Sat | Moderate rain |
17.3 ° C | 23.9 ° C | 20.1 ° C | % 72 | 11.5 km/h | 85% |
| 17 August 2025 Sun | Sunny |
12.1 ° C | 27.1 ° C | 19.1 ° C | % 64 | 11.9 km/h | 0% |
| 18 August 2025 Mon | Cloudy |
14.7 ° C | 25.3 ° C | 18.7 ° C | % 59 | 6.8 km/h | 0% |
| 19 August 2025 Tue | Sunny |
13.2 ° C | 27.8 ° C | 19.9 ° C | % 53 | 7.9 km/h | 0% |
| 20 August 2025 Wed | Sunny |
12.9 ° C | 28.2 ° C | 20 ° C | % 58 | 12.6 km/h | 0% |
| 21 August 2025 Thu | Sunny |
12.7 ° C | 28.4 ° C | 19.8 ° C | % 63 | 13.7 km/h | 0% |
| 22 August 2025 Fri | Sunny |
12.1 ° C | 31.6 ° C | 20.7 ° C | % 55 | 14 km/h | 0% |
| 23 August 2025 Sat | Sunny |
13 ° C | 34 ° C | 23.2 ° C | % 37 | 12.6 km/h | 0% |
| 24 August 2025 Sun | Sunny |
14 ° C | 32.3 ° C | 22 ° C | % 43 | 11.2 km/h | 0% |
| 25 August 2025 Mon | Sunny |
12.6 ° C | 29 ° C | 19.8 ° C | % 56 | 19.1 km/h | 0% |
| 26 August 2025 Tue | Patchy rain nearby |
16.3 ° C | 21.6 ° C | 18 ° C | % 68 | 11.9 km/h | 89% |
| 27 August 2025 Wed | Overcast |
14.2 ° C | 19.8 ° C | 16.9 ° C | % 73 | 8.6 km/h | 0% |
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