5-day weather forecast for Philadelphia, Pennsylvania

Weather changeability for Philadelphia, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.8° 6.2°
Average change in low temperature day-to-day 7.0° 6.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 28% 65%
Chance of precip day after a dry day 33% 32%
 
 

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
Foreca   85.51%
The Weather Channel   83.33%
AccuWeather   83.28%
NWS Digital Forecast   80.81%
Weather Underground   80.56%
MeteoGroup   75.28%
Dark Sky (forecast.io)   74.93%
World Weather Online   63.61%
Persistence   40.28%
Last Year
Weather Underground   79.87%
The Weather Channel   79.84%
Foreca   78.94%
MeteoGroup   78.73%
AccuWeather   78.68%
Dark Sky (forecast.io)   72.32%
NWS Digital Forecast   70.95%
World Weather Online   57.00%
Persistence   44.19%
 

ForecastAdvisor Fact

0.9% of NWS Digital Forecast's low temperature forecasts for Philadelphia were off by more than 10 degrees last year.