5-day weather forecast for Hermiston, Oregon
Today
43°
80°
Mostly Sunny
Tuesday
47°
73°
Chance Rain
Showers
Showers
Wednesday
43°
63°
Chance Rain
Showers
Showers
Thursday
42°
63°
Chance Rain
Showers
Showers
Friday
47°
67°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Hermiston, Oregon
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 3.5° | 4.9° |
| Average change in low temperature day-to-day | 9.6° | 7.2° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 63% | 57% |
| Chance of precip day after a dry day | 17% | 17% |
Weather forecast accuracy for Hermiston, Oregon
| Intellicast | 74.17% |
| The Weather Channel | 74.14% |
| Weather Underground | 66.94% |
| AccuWeather | 66.94% |
| NWS Digital Forecast | 66.67% |
| CustomWeather | 63.89% |
| National Weather Service | 62.22% |
| World Weather Online | 61.67% |
| Persistence | 42.47% |
| The Weather Channel | 68.10% |
| Intellicast | 68.05% |
| CustomWeather | 66.54% |
| AccuWeather | 66.01% |
| National Weather Service | 63.34% |
| NWS Digital Forecast | 62.49% |
| Persistence | 52.64% |
ForecastAdvisor Fact
8.0% of CustomWeather's low temperature forecasts for Hermiston were off by more than 10 degrees last year.