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 4.4° 5.7°
Average change in low temperature day-to-day 5.8° 6.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 86% 54%
Chance of precip day after a dry day 25% 34%
 
 

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   84.20%
Weather Underground   83.33%
MeteoGroup   80.17%
AccuWeather   78.45%
WeatherBug   75.29%
Foreca   74.71%
Dark Sky (forecast.io)   74.43%
National Weather Service   74.14%
CustomWeather   70.98%
Persistence   46.50%
Last Year
The Weather Channel   76.66%
WeatherBug   74.10%
Foreca   74.05%
MeteoGroup   73.88%
AccuWeather   72.47%
National Weather Service   71.89%
Weather Underground   71.76%
CustomWeather   70.66%
Persistence   42.54%
 

ForecastAdvisor Fact

6.9% of Dark Sky (forecast.io)'s high temperature forecasts for Philadelphia were exactly right last month.