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 2.4° 6.2°
Average change in low temperature day-to-day 4.9° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 70% 50%
Chance of precip day after a dry day 25% 36%

Weather forecast accuracy for Allentown, Pennsylvania

Last Month
Weather Underground   79.17%
The Weather Channel   78.61%
Dark Sky   74.44%
MeteoGroup   74.17%
Foreca   72.78%
AccuWeather   71.11%
NWS Digital Forecast   68.39%
Persistence   57.08%
World Weather Online   46.67%
Last Year
The Weather Channel   78.76%
Weather Underground   78.20%
Foreca   75.40%
MeteoGroup   75.39%
AccuWeather   75.30%
Dark Sky   73.91%
NWS Digital Forecast   71.11%
World Weather Online   57.22%
Persistence   41.01%

ForecastAdvisor Fact

On average, Foreca's high temperature forecasts for Allentown were off by 2.62 degrees last year.