Freeze Watch issued as high pressure brings frigid overnight air to Lehigh Valley
Temperatures will fall into the 30s overnight under clear skies, creating conditions favorable for frost in areas where the growing season remains active.
A sunny fall day is forecast Friday in the Lehigh Valley, with seasonable highs in the low 60s and breezy conditions in the morning. A northeast wind of 5 to 10 mph is expected to gust to around 20 mph, according to the National Weather Service.