5-day weather forecast for Cheltenham, Pennsylvania

Weather changeability for Philadelphia, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.9° 5.9°
Average change in low temperature day-to-day 9.5° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 56%
Chance of precip day after a dry day 40% 26%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   80.46%
Weather Underground   79.02%
AccuWeather   78.16%
Foreca   77.01%
Dark Sky (forecast.io)   77.01%
MeteoGroup   74.14%
NWS Digital Forecast   73.28%
World Weather Online   61.78%
Persistence   40.28%
Last Year
The Weather Channel   78.81%
Weather Underground   78.19%
AccuWeather   78.13%
Foreca   75.84%
MeteoGroup   75.24%
Dark Sky (forecast.io)   70.48%
NWS Digital Forecast   69.40%
World Weather Online   63.94%
Persistence   44.62%

ForecastAdvisor Fact

It rained or snowed 81% of the time in Philadelphia last month when The Weather Channel's text forecasts called for precipitation, and 9% of the time when they did not.