5-day weather forecast for Cheltenham, Pennsylvania

Weather changeability for Philadelphia, Pennsylvania

Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
The Weather Channel   81.61%
AccuWeather   81.32%
Weather Underground   81.03%
Foreca   80.17%
MeteoGroup   74.43%
Dark Sky (forecast.io)   74.40%
NWS Digital Forecast   72.09%
World Weather Online   61.56%
Persistence   45.83%
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

3.3% of NWS Digital Forecast's low temperature forecasts for Philadelphia were off by more than 10 degrees last year.