5-day weather forecast for Portland, Oregon
Today
37°
52°
Partly sunny
Sunday
40°
52°
Mostly sunny
Monday
38°
51°
Partly sunny
Tuesday
35°
49°
Mostly cloudy
Wednesday
37°
52°
Patchy Fog
Click on a forecast to see the forecast trend for that day
Weather changeability for Portland, Oregon
Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.
Weather forecast accuracy for Portland, Oregon
| The Weather Channel | 71.45% |
| Intellicast | 71.45% |
| CustomWeather | 71.10% |
| National Weather Service | 70.77% |
| NWS Digital Forecast | 69.40% |
| AccuWeather | 67.44% |
| World Weather Online | 65.00% |
| Weather Underground | 63.17% |
| Persistence | 49.36% |
| National Weather Service | 74.18% |
| NWS Digital Forecast | 73.59% |
| The Weather Channel | 72.78% |
| CustomWeather | 71.94% |
| Intellicast | 71.48% |
| AccuWeather | 68.96% |
| Persistence | 52.95% |
ForecastAdvisor Fact
1.4% of National Weather Service's low temperature forecasts for Portland were off by more than 10 degrees last year.