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Allentown, Pennsylvania Weather:
Sunday, December 21, 2025
Cloudy Weather
Day 43°
Night 23°
Precipitation 10 %
Wind 18 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 21, 2024)
Snowy Weather

Day

28°

Night

14°

Wind

15 mph

UV Index

1

Precipitation

65 %