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 4.6° 5.9°
Average change in low temperature day-to-day 5.0° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 86% 56%
Chance of precip day after a dry day 26% 26%
 
 

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
AccuWeather   80.46%
Foreca   78.33%
The Weather Channel   77.78%
Weather Underground   77.01%
MeteoGroup   75.57%
Dark Sky (forecast.io)   75.00%
World Weather Online   69.72%
NWS Digital Forecast   66.67%
Persistence   47.78%
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

67.7% of Weather Underground's low temperature forecasts for Philadelphia were within 3 degrees of actual temperatures last year.