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 6.8° 6.2°
Average change in low temperature day-to-day 8.5° 6.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 60% 61%
Chance of precip day after a dry day 31% 28%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   72.67%
Weather Underground   72.67%
Foreca   71.53%
AccuWeather   69.00%
MeteoGroup   67.00%
Dark Sky (forecast.io)   64.00%
NWS Digital Forecast   63.57%
World Weather Online   61.11%
Persistence   40.48%
Last Year
The Weather Channel   78.05%
Weather Underground   77.58%
AccuWeather   77.47%
Foreca   76.48%
MeteoGroup   73.60%
Dark Sky (forecast.io)   72.78%
NWS Digital Forecast   70.43%
World Weather Online   62.80%
Persistence   44.45%

ForecastAdvisor Fact

ForecastWatch.com is the largest provider of weather forecast accuracy statistics.