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 5.8° 6.7°
Average change in low temperature day-to-day 8.0° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 64%
Chance of precip day after a dry day 11% 33%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   77.15%
Weather Underground   76.34%
AccuWeather   76.11%
MeteoGroup   73.12%
Foreca   72.13%
Dark Sky (forecast.io)   67.20%
NWS Digital Forecast   65.17%
Persistence   55.65%
Last Year
Weather Underground   76.95%
The Weather Channel   76.57%
MeteoGroup   75.67%
WeatherBug   74.17%
Foreca   73.47%
AccuWeather   73.10%
NWS Digital Forecast   70.69%
CustomWeather   69.02%
Persistence   39.24%

ForecastAdvisor Fact

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