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Allentown Weather Guide
United States
Allentown in the Lehigh Valley south of the Blue Mountain Ridge has a sheltered climate with less precipitation than the coastal plain. The Blue Mountain blocks some northwesterly cold air creating slightly milder conditions. The Lehigh River creates valley humidity and the dense urban core has significant heat island effects.
Neighborhoods in Allentown
Each neighborhood in Allentown has its own microclimate. Check real-time conditions below: