weather forecast in bethlehem pa
Hourly Forecast Detailed. 1  0am:The Bethlehem, PA forecast for Apr 13 is 55 degrees and Clear. There is 56 percentage chance of rain and 5 mph winds from the Northwest. 2  3am:The Bethlehem, PA forecast for Apr 13 is 48 degrees and Clear. There is 57 percentage chance of rain and 5 mph winds from the Northwest.