National Weather Service Forecast for: New Haven CT
Issued by: National Weather Service New York, NY
Updated: 6:32 pm EST Dec 16, 2025
 
Overnight

Overnight: Mostly clear, with a temperature rising to around 28 by 4am. Wind chill values between 20 and 25. Southwest wind around 6 mph.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 25. West wind 5 to 8 mph becoming calm after midnight.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the afternoon.
Mostly Sunny
 Thursday
Night
Thursday Night: Rain, mainly after 1am. Temperature rising to around 51 by 3am. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Chance Rain
then Rain
 Friday

Friday: Rain, mainly before 1pm. Temperature rising to near 54 by 10am, then falling to around 44 during the remainder of the day. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain
 Friday
Night
Friday Night: Partly cloudy, with a low around 26.
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 42.
Mostly Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 31.
Mostly Cloudy
Lo 25 °F⇑ Hi 43 °F Lo 25 °F Hi 52 °F Lo 45 °F⇑ Hi 54 °F⇓ Lo 26 °F Hi 42 °F Lo 31 °F

 

Overnight
 
 Mostly clear, with a temperature rising to around 28 by 4am. Wind chill values between 20 and 25. Southwest wind around 6 mph.
Wednesday
 
 Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
 
 Mostly clear, with a low around 25. West wind 5 to 8 mph becoming calm after midnight.
Thursday
 
 Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
 
 Rain, mainly after 1am. Temperature rising to around 51 by 3am. South wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
 Rain, mainly before 1pm. Temperature rising to near 54 by 10am, then falling to around 44 during the remainder of the day. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
 
 Partly cloudy, with a low around 26.
Saturday
 
 Mostly sunny, with a high near 42.
Saturday Night
 
 Mostly cloudy, with a low around 31.
Sunday
 
 Partly sunny, with a high near 46.
Sunday Night
 
 Partly cloudy, with a low around 25.
Monday
 
 Mostly sunny, with a high near 36.
Monday Night
 
 Partly cloudy, with a low around 23.
Tuesday
 
 A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for New Haven CT.