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 4.8° 5.7°
Average change in low temperature day-to-day 6.4° 6.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 64% 52%
Chance of precip day after a dry day 56% 33%

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
MeteoGroup   72.50%
Weather Underground   72.22%
The Weather Channel   71.67%
Foreca   66.36%
AccuWeather   66.11%
Dark Sky (forecast.io)   65.56%
NWS Digital Forecast   56.11%
World Weather Online   53.45%
Persistence   35.83%
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

11.8% of MeteoGroup's high temperature forecasts for Williamsport were exactly right last year.