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 3.6° 5.9°
Average change in low temperature day-to-day 4.1° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 54% 56%
Chance of precip day after a dry day 44% 26%
 
 

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
Dark Sky (forecast.io)   81.72%
NWS Digital Forecast   81.55%
AccuWeather   77.42%
The Weather Channel   76.61%
Foreca   75.83%
Weather Underground   75.54%
MeteoGroup   73.66%
World Weather Online   66.94%
Persistence   46.24%
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

9.9% of World Weather Online's high temperature forecasts for Philadelphia were exactly right last year.