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 6.4° 6.2°
Average change in low temperature day-to-day 6.0° 6.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 40% 65%
Chance of precip day after a dry day 38% 32%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
NWS Digital Forecast   79.03%
The Weather Channel   75.27%
AccuWeather   74.73%
Foreca   74.73%
Weather Underground   73.66%
Dark Sky (forecast.io)   72.85%
MeteoGroup   70.97%
World Weather Online   56.99%
Persistence   43.01%
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

77.6% of MeteoGroup's high temperature forecasts for Philadelphia were within 3 degrees of actual temperatures last year.