National Weather Service Forecast for: Derby CT
Issued by: National Weather Service New York, NY
Updated: 2:19 pm EDT Apr 6, 2026
 
Tonight

Tonight: A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 37. Northwest wind 5 to 8 mph becoming calm in the evening.
Chance
Showers

 Tuesday

Tuesday: A chance of rain and snow showers before 8am, then a slight chance of rain showers after 11am. Partly sunny, with a high near 51. Northwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Chance
Rain/Snow
then Slight
Chance
Showers
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 27. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Mostly Clear


 Wednesday

Wednesday: Sunny, with a high near 49. Wind chill values between 20 and 30 early. North wind around 5 mph becoming light and variable.
Sunny


 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 30. South wind around 5 mph becoming calm in the evening.
Mostly Clear


 Thursday

Thursday: Sunny, with a high near 53.
Sunny


 Thursday
Night
Thursday Night: Partly cloudy, with a low around 39.
Partly Cloudy


 Friday

Friday: Mostly sunny, with a high near 66.
Mostly Sunny


 Friday
Night
Friday Night: Partly cloudy, with a low around 47.
Partly Cloudy
Lo 37 °F Hi 51 °F Lo 27 °F Hi 49 °F Lo 30 °F Hi 53 °F Lo 39 °F Hi 66 °F Lo 47 °F

 

Tonight
 
 A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 37. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
 A chance of rain and snow showers before 8am, then a slight chance of rain showers after 11am. Partly sunny, with a high near 51. Northwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
 
 Mostly clear, with a low around 27. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Wednesday
 
 Sunny, with a high near 49. Wind chill values between 20 and 30 early. North wind around 5 mph becoming light and variable.
Wednesday Night
 
 Mostly clear, with a low around 30. South wind around 5 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 53.
Thursday Night
 
 Partly cloudy, with a low around 39.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 Partly cloudy, with a low around 47.
Saturday
 
 Mostly sunny, with a high near 70.
Saturday Night
 
 Partly cloudy, with a low around 45.
Sunday
 
 Mostly sunny, with a high near 63.
Sunday Night
 
 Mostly cloudy, with a low around 47.
Monday
 
 Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Derby CT.