5-day weather forecast for Montoursville, Pennsylvania
Today
66°
85°
Thunderstorms Likely
Thursday
66°
77°
Thunderstorms Likely
Friday
52°
63°
Chance Rain
Showers
Showers
Saturday
42°
67°
Partly Sunny
Sunday
44°
68°
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 | 5.1° | 5.5° |
| Average change in low temperature day-to-day | 5.5° | 7.3° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 75% | 42% |
| Chance of precip day after a dry day | 26% | 33% |
Weather forecast accuracy for Williamsport, Pennsylvania
| CustomWeather | 71.11% |
| The Weather Channel | 68.61% |
| Intellicast | 68.61% |
| Weather Underground | 66.67% |
| World Weather Online | 65.56% |
| NWS Digital Forecast | 60.28% |
| National Weather Service | 58.06% |
| AccuWeather | 56.67% |
| Persistence | 45.70% |
| 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
On average, Weather Underground's low temperature forecasts for Williamsport were off by 4.40 degrees last month.