National Weather Service Forecast for: Derby CT
Issued by: National Weather Service New York, NY
Updated: 12:53 am EST Feb 2, 2026
 
Today

Today: Sunny, with a high near 30. Wind chill values between -5 and 5. Northwest wind 7 to 10 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Mostly sunny, with a high near 33. Wind chill values between 10 and 20. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Sunny

Tuesday
Night
Tuesday Night: A 20 percent chance of snow after 1am.  Mostly cloudy, with a low around 17. Calm wind.
Mostly Cloudy
then Slight
Chance Snow
Wednesday

Wednesday: Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 8.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 28.
Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 7.
Partly Cloudy

Friday

Friday: A 40 percent chance of snow after 1pm.  Partly sunny, with a high near 29.
Partly Sunny
then Chance
Snow
Hi 30 °F Lo 9 °F Hi 33 °F Lo 17 °F Hi 32 °F Lo 8 °F Hi 28 °F Lo 7 °F Hi 29 °F

 

Today
 
Sunny, with a high near 30. Wind chill values between -5 and 5. Northwest wind 7 to 10 mph.
Tonight
 
Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly sunny, with a high near 33. Wind chill values between 10 and 20. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
 
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 17. Calm wind.
Wednesday
 
Mostly sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
 
Mostly clear, with a low around 8.
Thursday
 
Sunny, with a high near 28.
Thursday Night
 
Partly cloudy, with a low around 7.
Friday
 
A 40 percent chance of snow after 1pm. Partly sunny, with a high near 29.
Friday Night
 
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 5.
Saturday
 
Mostly sunny and cold, with a high near 16.
Saturday Night
 
Mostly clear, with a low around 0.
Sunday
 
Mostly sunny and cold, with a high near 18.

 

Forecast from NOAA-NWS for Derby CT.