National Weather Service Forecast for: Waterbury CT
Issued by: National Weather Service New York, NY
Updated: 3:30 am EST Dec 5, 2025
 
Today

Today: Increasing clouds, with a high near 29. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.
Increasing
Clouds

 Tonight

Tonight: A 20 percent chance of light snow after 1am. Mostly cloudy, with a low around 21. Calm wind.
Mostly Cloudy
then Slight
Chance Light
Snow
 Saturday

Saturday: Mostly cloudy, with a high near 40. Wind chill values between 25 and 35. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Cloudy

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 23. Calm wind.
Partly Cloudy

 Sunday

Sunday: Increasing clouds, with a high near 38. Calm wind becoming north around 5 mph.
Increasing
Clouds

 Sunday
Night
Sunday Night: A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 20.
Chance Snow
Showers

 Monday

Monday: Sunny, with a high near 28.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 9.
Mostly Clear

 Tuesday

Tuesday: Partly sunny, with a high near 33.
Partly Sunny
Hi 29 °F Lo 21 °F Hi 40 °F Lo 23 °F Hi 38 °F Lo 20 °F Hi 28 °F Lo 9 °F Hi 33 °F

 

Today
 
 Increasing clouds, with a high near 29. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.
Tonight
 
 A 20 percent chance of light snow after 1am. Mostly cloudy, with a low around 21. Calm wind.
Saturday
 
 Mostly cloudy, with a high near 40. Wind chill values between 25 and 35. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 23. Calm wind.
Sunday
 
 Increasing clouds, with a high near 38. Calm wind becoming north around 5 mph.
Sunday Night
 
 A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 20.
Monday
 
 Sunny, with a high near 28.
Monday Night
 
 Mostly clear, with a low around 9.
Tuesday
 
 Partly sunny, with a high near 33.
Tuesday Night
 
 Mostly cloudy, with a low around 23.
Wednesday
 
 A 30 percent chance of rain. Mostly cloudy, with a high near 44.
Wednesday Night
 
 Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
 
 A 40 percent chance of rain. Mostly cloudy, with a high near 42.

 

Forecast from NOAA-NWS for Waterbury CT.