5-day weather forecast for Harrison Valley, Pennsylvania
Today
58°
81°
Chance Thunderstorms
Sunday
60°
81°
Thunderstorms likely
Monday
66°
86°
Chance Thunderstorms
Tuesday
65°
79°
Chance Thunderstorms
Wednesday
56°
74°
Partly sunny
Click on a forecast to see the forecast trend for that day
Weather changeability for Wellsville, New York
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 9.1° | 6.1° |
| Average change in low temperature day-to-day | 7.7° | 8.2° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 44% | 34% |
| Chance of precip day after a dry day | 22% | 37% |
Weather forecast accuracy for Wellsville, New York
| AccuWeather | 74.69% |
| The Weather Channel | 72.53% |
| Intellicast | 72.53% |
| National Weather Service | 72.53% |
| CustomWeather | 67.59% |
| NWS Digital Forecast | 67.31% |
| Weather Underground | 65.12% |
| World Weather Online | 55.56% |
| Persistence | 36.17% |
| The Weather Channel | 69.67% |
| Intellicast | 69.64% |
| CustomWeather | 68.61% |
| NWS Digital Forecast | 66.71% |
| National Weather Service | 66.52% |
| AccuWeather | 65.96% |
| Persistence | 40.67% |
ForecastAdvisor Fact
On average, National Weather Service's high temperature forecasts for Wellsville were off by 3.10 degrees last year.