5-day weather forecast for Ontario, Oregon
Today
48°
79°
Mostly Sunny
Tuesday
47°
86°
Mostly Cloudy
Wednesday
49°
61°
Mostly Cloudy
Thursday
38°
65°
Chance Rain
Showers
Showers
Friday
44°
67°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Ontario, Oregon
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 4.3° | 4.3° |
| Average change in low temperature day-to-day | 7.5° | 6.0° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 100% | 55% |
| Chance of precip day after a dry day | 11% | 14% |
Weather forecast accuracy for Ontario, Oregon
| The Weather Channel | 79.44% |
| Intellicast | 79.44% |
| Weather Underground | 73.33% |
| NWS Digital Forecast | 73.06% |
| National Weather Service | 70.83% |
| AccuWeather | 70.28% |
| CustomWeather | 68.33% |
| World Weather Online | 61.11% |
| Persistence | 55.91% |
| Intellicast | 71.76% |
| The Weather Channel | 71.60% |
| AccuWeather | 70.02% |
| National Weather Service | 69.31% |
| CustomWeather | 69.03% |
| NWS Digital Forecast | 68.49% |
| Persistence | 56.49% |
ForecastAdvisor Fact
It rained or snowed 38% of the time in Ontario last month when Weather Underground's text forecasts called for precipitation, and 1% of the time when they did not.