5-day weather forecast for Montoursville, Pennsylvania

Weather changeability for Williamsport, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.3° 6.0°
Average change in low temperature day-to-day 6.4° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 55% 53%
Chance of precip day after a dry day 32% 31%

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
AccuWeather   78.89%
Weather Underground   78.06%
The Weather Channel   77.78%
Foreca   77.78%
MeteoGroup   72.22%
Dark Sky (forecast.io)   71.94%
NWS Digital Forecast   65.48%
Persistence   38.15%
Last Year
Weather Underground   75.44%
The Weather Channel   74.01%
MeteoGroup   73.95%
AccuWeather   72.30%
Foreca   70.74%
WeatherBug   69.29%
NWS Digital Forecast   68.44%
CustomWeather   67.46%
Persistence   40.09%

ForecastAdvisor Fact

10.9% of The Weather Channel's low temperature forecasts for Williamsport were exactly right last year.