NWS Forecast for Waterbury CT

National Weather Service Forecast for: Waterbury CT
Issued by: National Weather Service New York, NY

Updated: 2:20 pm EST Dec 22, 2025

Tonight Partly Cloudy then Chance Snow	Tuesday Snow then Rain/Snow	Tuesday Night Mostly Cloudy	Wednesday Mostly Sunny	Wednesday Night Increasing Clouds	Christmas Day Partly Sunny	Thursday Night Mostly Cloudy	Friday Mostly Cloudy then Snow Likely	Friday Night Snow
Lo 25 °F	Hi 35 °F	Lo 29 °F	Hi 40 °F	Lo 22 °F	Hi 40 °F	Lo 22 °F	Hi 30 °F	Lo 21 °F

Tonight	A 50 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 25. Light southwest wind.
Tuesday	Snow before 2pm, then snow likely, possibly mixed with rain. High near 35. Wind chill values between 25 and 30. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night	Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. Calm wind becoming west 5 to 8 mph after midnight.
Wednesday	Mostly sunny, with a high near 40. Wind chill values between 20 and 30. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
Wednesday Night	Increasing clouds, with a low around 22. Light and variable wind.
Christmas Day	Partly sunny, with a high near 40.
Thursday Night	Mostly cloudy, with a low around 22.
Friday	Snow likely after 1pm. Cloudy, with a high near 30. Chance of precipitation is 60%.
Friday Night	Snow. Low around 21. Chance of precipitation is 80%.
Saturday	A 30 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night	A 30 percent chance of snow. Cloudy, with a low around 25.
Sunday	Rain and snow likely. Cloudy, with a high near 42. Chance of precipitation is 70%.
Sunday Night	A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Monday	Mostly sunny, with a high near 31.

Forecast from NOAA-NWS for Waterbury CT.