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 9.2° 5.7°
Average change in low temperature day-to-day 7.2° 6.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 63% 52%
Chance of precip day after a dry day 20% 33%

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
Foreca   72.53%
The Weather Channel   69.14%
Weather Underground   69.14%
MeteoGroup   67.90%
AccuWeather   62.82%
World Weather Online   58.02%
NWS Digital Forecast   57.72%
Dark Sky (forecast.io)   55.86%
Persistence   40.18%
Last Year
The Weather Channel   73.26%
Weather Underground   72.82%
AccuWeather   72.58%
Foreca   71.77%
MeteoGroup   71.23%
Dark Sky (forecast.io)   67.60%
NWS Digital Forecast   66.09%
World Weather Online   58.43%
Persistence   44.10%

ForecastAdvisor Fact

12.8% of AccuWeather's low temperature forecasts for Williamsport were exactly right last year.