Portland International Jetport (PWM) 15 Day Weather Forecast, Portland United States
Current weather conditions and 15 day weather forecast for Portland International Jetport 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 PWM
| 03 August 2026 Mon 20 ° C ( 68°F )  Mist |
Feels Like : 21.4 ° C / 70.5°F Humidity : % 97 Pressure : 1010 mb Wind Speed : 10.8 kmph / 6.7 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Portland International Jetport, Portland, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon |  Sunny |
19.6 ° C | 25.5 ° C | 21.7 ° C | % 92 | 28.1 km/h | 87% |
| 04 August 2026 Tue | Sunny |
15.4 ° C | 29.4 ° C | 22.3 ° C | % 56 | 24.5 km/h | 3% |
| 05 August 2026 Wed | Sunny |
17 ° C | 26.4 ° C | 20.8 ° C | % 72 | 19.4 km/h | 73% |
| 06 August 2026 Thu |  Partly Cloudy |
20.3 ° C | 29.7 ° C | 24.5 ° C | % 81 | 18.4 km/h | 31% |
| 07 August 2026 Fri | Sunny |
22.4 ° C | 32.3 ° C | 26.4 ° C | % 68 | 14.8 km/h | 6% |
| 08 August 2026 Sat | Sunny |
19.2 ° C | 27.9 ° C | 23.3 ° C | % 70 | 15.5 km/h | 6% |
| 09 August 2026 Sun | Partly Cloudy |
20.9 ° C | 31.5 ° C | 25.6 ° C | % 68 | 16.6 km/h | 8% |
| 10 August 2026 Mon | Sunny |
17.8 ° C | 28.7 ° C | 23.2 ° C | % 53 | 13.7 km/h | 2% |
| 11 August 2026 Tue | Sunny |
18.1 ° C | 29.3 ° C | 22.8 ° C | % 64 | 20.9 km/h | 7% |
| 12 August 2026 Wed | Sunny |
15.8 ° C | 23.4 ° C | 19.7 ° C | % 68 | 18.7 km/h | 9% |
| 13 August 2026 Thu | Sunny |
13.8 ° C | 25.4 ° C | 19.7 ° C | % 59 | 15.8 km/h | 4% |
| 14 August 2026 Fri | Partly Cloudy |
16.9 ° C | 21.7 ° C | 18.9 ° C | % 69 | 17.3 km/h | 38% |
| 15 August 2026 Sat |  Light rain shower |
17 ° C | 21.6 ° C | 18.9 ° C | % 98 | 11.5 km/h | 95% |
| 16 August 2026 Sun |  Patchy rain nearby |
16 ° C | 20.1 ° C | 17.6 ° C | % 86 | 11.5 km/h | 52% |
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