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° 5.3°
Average change in low temperature day-to-day 7.0° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 60%
Chance of precip day after a dry day 31% 28%
 
 

Weather forecast accuracy for Williamsport, Pennsylvania

Last Month
Foreca   81.23%
MeteoGroup   81.23%
AccuWeather   78.66%
The Weather Channel   76.45%
Weather Underground   76.45%
CustomWeather   73.60%
WeatherBug   72.53%
Dark Sky (forecast.io)   72.31%
National Weather Service   71.99%
Persistence   43.95%
Last Year
MeteoGroup   75.47%
The Weather Channel   71.77%
Weather Underground   68.70%
AccuWeather   68.11%
WeatherBug   67.65%
Foreca   67.64%
CustomWeather   67.22%
National Weather Service   66.30%
Persistence   43.61%
 

ForecastAdvisor Fact

0.0% of Weather Underground's high temperature forecasts for Williamsport were off by more than 10 degrees last month.