5-day weather forecast for Philadelphia, Pennsylvania

Weather changeability for Philadelphia, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.0° 6.2°
Average change in low temperature day-to-day 4.8° 6.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 33% 42%
Chance of precip day after a dry day 30% 38%

Weather forecast accuracy for Philadelphia, Pennsylvania

Last Month
Foreca   71.24%
MeteoGroup   70.16%
Weather Underground   68.75%
The Weather Channel   68.55%
NWS Digital Forecast   66.13%
Dark Sky   65.32%
AccuWeather   63.44%
World Weather Online   59.68%
Persistence   44.35%
Last Year
The Weather Channel   82.24%
Weather Underground   81.33%
AccuWeather   81.30%
Foreca   80.45%
MeteoGroup   78.00%
NWS Digital Forecast   77.95%
Dark Sky   76.90%
World Weather Online   62.22%
Persistence   42.15%

ForecastAdvisor Fact

On average, Weather Underground's low temperature forecasts for Philadelphia were off by 2.06 degrees last year.