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 4.4° 6.0°
Average change in low temperature day-to-day 7.9° 6.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 63% 61%
Chance of precip day after a dry day 19% 25%
 
 

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   87.50%
Weather Underground   87.22%
Foreca   86.39%
AccuWeather   85.56%
MeteoGroup   80.28%
NWS Digital Forecast   80.00%
Dark Sky (forecast.io)   76.39%
World Weather Online   56.67%
Persistence   49.71%
Last Year
The Weather Channel   80.08%
Weather Underground   80.05%
MeteoGroup   78.60%
Foreca   78.55%
AccuWeather   78.02%
Dark Sky (forecast.io)   73.76%
NWS Digital Forecast   73.59%
World Weather Online   63.77%
Persistence   47.33%
 

ForecastAdvisor Fact

0.0% of Dark Sky (forecast.io)'s low temperature forecasts for Philadelphia were off by more than 10 degrees last month.