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 6.2° 6.3°
Average change in low temperature day-to-day 9.5° 7.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 69% 54%
Chance of precip day after a dry day 40% 32%

Weather forecast accuracy for Allentown, Pennsylvania

Last Month
Weather Underground   75.81%
AccuWeather   74.73%
The Weather Channel   74.73%
Foreca   74.46%
NWS Digital Forecast   71.77%
Dark Sky   71.77%
World Weather Online   58.60%
Persistence   35.67%
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

It rained or snowed 68% of the time in Allentown last month when World Weather Online's text forecasts called for precipitation, and 19% of the time when they did not.