5-day weather forecast for Harper, Oregon
Today
47°
72°
Partly Sunny
Friday
46°
76°
Partly Sunny
Saturday
51°
79°
Mostly Sunny
Sunday
53°
80°
Slight Chance Rain Showers
Monday
60°
82°
Slight Chance Rain Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Ontario, Oregon
Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.
Weather forecast accuracy for Ontario, Oregon
| The Weather Channel | 82.50% |
| Intellicast | 82.50% |
| NWS Digital Forecast | 77.78% |
| Weather Underground | 77.01% |
| AccuWeather | 73.89% |
| National Weather Service | 72.78% |
| CustomWeather | 72.22% |
| World Weather Online | 64.44% |
| Persistence | 56.39% |
| The Weather Channel | 72.84% |
| Intellicast | 72.78% |
| AccuWeather | 70.06% |
| NWS Digital Forecast | 68.91% |
| National Weather Service | 68.77% |
| CustomWeather | 68.14% |
| Persistence | 53.96% |
ForecastAdvisor Fact
58.9% of Intellicast's low temperature forecasts for Ontario were within 3 degrees of actual temperatures last month.