5-day weather forecast for Williamsport, Pennsylvania

Weather changeability for Williamsport, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.3° 6.0°
Average change in low temperature day-to-day 6.3° 6.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 42% 37%
Chance of precip day after a dry day 45% 47%

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
Foreca   84.23%
The Weather Channel   83.93%
Dark Sky   82.14%
AccuWeather   79.46%
MeteoGroup   78.87%
Weather Underground   78.09%
NWS Digital Forecast   68.75%
World Weather Online   65.18%
Persistence   43.33%
Last Year
The Weather Channel   76.23%
Foreca   75.65%
Weather Underground   75.43%
AccuWeather   75.08%
NWS Digital Forecast   71.89%
MeteoGroup   71.77%
Dark Sky   70.55%
World Weather Online   61.59%
Persistence   41.14%

ForecastAdvisor Fact

It rained or snowed 90% of the time in Williamsport last month when Foreca's text forecasts called for precipitation, and 14% of the time when they did not.