Allentown, Pennsylvania Weather Forecast

Lehigh County 40.60°N, 75.48°W Pop. 683,794 ZIP: 18105

Allentown is in Lehigh County, Pennsylvania (pop. 683,794). Below you'll find current conditions, radar, observed precipitation with YTD anomalies, a 7-day forecast, GDD accumulations, and the NWS written forecast.