Average change in
Temperature
Average change in high temperature day-to-day
Last Month:
5.4°
Last Year:
4.4°
Average change in low temperature day-to-day
Last Month:
9.5°
Last Year:
6.3°
Average change in
Precipitation
Chance of dry day after a precip day
Last Month:
50%
Last Year:
53%
Chance of precip day after a dry day
Last Month:
5%
Last Year:
20%
ForecastAdvisor Fact
2.2% of The Weather Channel's low temperature forecasts for Allentown were off by more than 10 degrees last month.