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 5.9° 6.0°
Average change in low temperature day-to-day 9.8° 6.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 38% 37%
Chance of precip day after a dry day 33% 47%
 
 

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
The Weather Channel   78.61%
AccuWeather   78.06%
Weather Underground   78.06%
Foreca   76.11%
Dark Sky   74.72%
NWS Digital Forecast   72.78%
MeteoGroup   71.11%
World Weather Online   56.39%
Persistence   36.02%
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

71.7% of MeteoGroup's low temperature forecasts for Williamsport were within 3 degrees of actual temperatures last year.