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
| 14 March 2026 Sat 0.6 ° C ( 33.1°F )  Overcast |
Feels Like : -3.5 ° C / 25.7°F Humidity : % 96 Pressure : 1006 mb Wind Speed : 14 kmph / 8.7 miles from WSW 
Visibility : 16 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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Patchy rain nearby |
-0.2 ° C | 9 ° C | 3.4 ° C | % 73 | 32.8 km/h | 71% |
| 15 March 2026 Sun |  Partly Cloudy |
-1.9 ° C | 3.4 ° C | 0.7 ° C | % 66 | 20.2 km/h | 0% |
| 16 March 2026 Mon |  Heavy rain |
2.3 ° C | 7.8 ° C | 5.5 ° C | % 96 | 35.3 km/h | 84% |
| 17 March 2026 Tue | Patchy rain nearby |
-2.8 ° C | 11.9 ° C | 5.9 ° C | % 72 | 40.3 km/h | 72% |
| 18 March 2026 Wed |  Sunny |
-5.7 ° C | 1.1 ° C | -3.3 ° C | % 35 | 26.6 km/h | 0% |
| 19 March 2026 Thu | Partly Cloudy |
-0.2 ° C | 3 ° C | 1.7 ° C | % 65 | 27 km/h | 0% |
| 20 March 2026 Fri | Partly Cloudy |
-1.1 ° C | 6.3 ° C | 2.7 ° C | % 61 | 17.3 km/h | 0% |
| 21 March 2026 Sat |  Light freezing rain |
-3.6 ° C | 4.2 ° C | 0.1 ° C | % 46 | 17.3 km/h | 63% |
| 22 March 2026 Sun | Partly Cloudy |
-4.2 ° C | -0 ° C | -1.4 ° C | % 45 | 29.9 km/h | 0% |
| 23 March 2026 Mon | Partly Cloudy |
-6 ° C | 1.6 ° C | -2.2 ° C | % 35 | 25.2 km/h | 0% |
| 24 March 2026 Tue |  Patchy moderate snow |
-1.7 ° C | 1.6 ° C | 0.5 ° C | % 75 | 19.4 km/h | 89% |
| 25 March 2026 Wed | Partly Cloudy |
-5.8 ° C | 4.3 ° C | 0.9 ° C | % 60 | 34.6 km/h | 0% |
| 26 March 2026 Thu | Sunny |
-7.4 ° C | 1.6 ° C | -3.3 ° C | % 32 | 27.7 km/h | 0% |
| 27 March 2026 Fri |  Moderate or heavy snow showers |
-4.1 ° C | 4.8 ° C | -0.3 ° C | % 39 | 17.3 km/h | 65% |
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