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° 6.3°
Average change in low temperature day-to-day 9.2° 7.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 31% 54%
Chance of precip day after a dry day 11% 32%

Weather forecast accuracy for Allentown, Pennsylvania

Last Month
The Weather Channel   83.05%
Dark Sky   81.32%
Weather Underground   77.87%
Foreca   75.00%
AccuWeather   73.56%
NWS Digital Forecast   69.83%
World Weather Online   63.51%
Persistence   34.11%
Last Year
The Weather Channel   80.09%
Weather Underground   76.36%
Foreca   76.03%
Dark Sky   75.33%
MeteoGroup   75.20%
AccuWeather   75.11%
NWS Digital Forecast   69.36%
World Weather Online   55.66%
Persistence   43.49%

ForecastAdvisor Fact

On average, Persistence's low temperature forecasts for Allentown were off by 8.50 degrees last year.