5-day weather forecast for Allentown, Pennsylvania

Weather changeability for Allentown, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.6° 6.2°
Average change in low temperature day-to-day 9.0° 7.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 40% 52%
Chance of precip day after a dry day 47% 33%

Weather forecast accuracy for Allentown, Pennsylvania

Last Month
Dark Sky (forecast.io)   75.83%
MeteoGroup   75.83%
Foreca   75.28%
The Weather Channel   73.61%
Weather Underground   73.06%
NWS Digital Forecast   72.99%
AccuWeather   71.39%
World Weather Online   65.28%
Persistence   39.17%
Last Year
The Weather Channel   75.00%
Weather Underground   74.95%
Foreca   74.95%
AccuWeather   73.58%
MeteoGroup   72.00%
Dark Sky (forecast.io)   69.83%
NWS Digital Forecast   68.39%
World Weather Online   55.97%
Persistence   41.88%

ForecastAdvisor Fact

64.4% of MeteoGroup's low temperature forecasts for Allentown were within 3 degrees of actual temperatures last year.