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 7.5° 5.9°
Average change in low temperature day-to-day 7.5° 7.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 44% 61%
Chance of precip day after a dry day 47% 29%

Weather forecast accuracy for Allentown, Pennsylvania

Last Month
Foreca   78.27%
The Weather Channel   76.79%
Weather Underground   76.79%
AccuWeather   75.89%
MeteoGroup   70.54%
Dark Sky (forecast.io)   68.45%
NWS Digital Forecast   68.15%
World Weather Online   54.17%
Persistence   40.59%
Last Year
The Weather Channel   76.54%
Weather Underground   76.31%
Foreca   74.82%
AccuWeather   74.11%
MeteoGroup   73.72%
Dark Sky (forecast.io)   69.72%
NWS Digital Forecast   66.82%
World Weather Online   61.23%
Persistence   43.42%

ForecastAdvisor Fact

On average, MeteoGroup's high temperature forecasts for Allentown were off by 2.67 degrees last year.