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 6.2° 6.2°
Average change in low temperature day-to-day 6.9° 6.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 65%
Chance of precip day after a dry day 27% 32%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
MeteoGroup   83.06%
The Weather Channel   81.67%
Weather Underground   81.67%
AccuWeather   80.56%
Foreca   80.56%
NWS Digital Forecast   71.07%
Dark Sky (forecast.io)   70.28%
World Weather Online   55.83%
Persistence   39.72%
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

14.3% of Foreca's low temperature forecasts for Philadelphia were exactly right last year.