Waterbury, Connecticut Weather:
Monday, September 21, 2026
Cloudy Weather
Day 66°
Night 50°
Precipitation 9 %
Wind 10 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Night

Day

70°

Night

43°

Wind

5 mph

Precipitation

0 %