National Weather Service Forecast for: Derby CT
Issued by: National Weather Service New York, NY
Updated: 5:30 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 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Partly Cloudy
then Chance
Showers
 Tuesday

Tuesday: A chance of showers before 8am, then a slight chance of showers after noon. 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
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 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Tuesday
 
 A chance of showers before 8am, then a slight chance of showers after noon. 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.