5-day weather forecast for Slate Run, Pennsylvania
Today
62°
87°
Slight Chance Thunderstorms
Sunday
62°
85°
Chance Thunderstorms
Monday
67°
89°
Isolated thunderstorms
Tuesday
69°
86°
Chance Thunderstorms
Wednesday
63°
83°
Partly sunny
Click on a forecast to see the forecast trend for that day
Weather changeability for Williamsport, Pennsylvania
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 7.3° | 5.5° |
| Average change in low temperature day-to-day | 6.4° | 7.3° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 57% | 42% |
| Chance of precip day after a dry day | 21% | 33% |
Weather forecast accuracy for Williamsport, Pennsylvania
| The Weather Channel | 79.14% |
| Intellicast | 79.14% |
| AccuWeather | 72.99% |
| Weather Underground | 69.59% |
| National Weather Service | 68.36% |
| CustomWeather | 62.81% |
| NWS Digital Forecast | 59.25% |
| World Weather Online | 54.86% |
| Persistence | 41.03% |
| The Weather Channel | 69.73% |
| Intellicast | 69.72% |
| National Weather Service | 68.51% |
| AccuWeather | 67.97% |
| NWS Digital Forecast | 67.76% |
| CustomWeather | 67.55% |
| Persistence | 41.95% |
ForecastAdvisor Fact
7.3% of National Weather Service's low temperature forecasts for Williamsport were exactly right last month.