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Allentown, Pennsylvania Weather:
Thursday, December 18, 2025
Cloudy Weather
Day 43°
Night 37°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 18, 2024)
Partly Sunny with Showers

Day

52°

Night

34°

Wind

2 mph

UV Index

2

Precipitation

88 %