National Weather Service Forecast for: West Haven CT
Issued by: National Weather Service New York, NY
Updated: 7:25 pm EST Dec 17, 2025
 
Tonight

Tonight: Mostly clear, with a low around 26. West wind 5 to 7 mph becoming calm after midnight.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 50. Calm wind becoming southeast 5 to 9 mph in the morning.
Mostly Sunny

 Thursday
Night
Thursday Night: Rain, mainly after 1am. Temperature rising to around 52 by 3am. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Chance Rain
then Rain and
Breezy
 Friday

Friday: Rain and possibly a thunderstorm. Temperature rising to near 54 by 9am, then falling to around 43 during the remainder of the day. Windy, with a south wind 17 to 26 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain and
Windy

 Friday
Night
Friday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 11 to 21 mph, with gusts as high as 39 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Saturday

Saturday: Increasing clouds, with a high near 41.
Increasing
Clouds

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 33.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 46.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 25.
Partly Cloudy
Lo 26 °F Hi 50 °F Lo 45 °F⇑ Hi 54 °F⇓ Lo 27 °F Hi 41 °F Lo 33 °F Hi 46 °F Lo 25 °F

Wind Advisory
Hazardous Weather Outlook
 

Tonight
 
 Mostly clear, with a low around 26. West wind 5 to 7 mph becoming calm after midnight.
Thursday
 
 Mostly sunny, with a high near 50. Calm wind becoming southeast 5 to 9 mph in the morning.
Thursday Night
 
 Rain, mainly after 1am. Temperature rising to around 52 by 3am. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
 Rain and possibly a thunderstorm. Temperature rising to near 54 by 9am, then falling to around 43 during the remainder of the day. Windy, with a south wind 17 to 26 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
 
 Partly cloudy, with a low around 27. Breezy, with a west wind 11 to 21 mph, with gusts as high as 39 mph.
Saturday
 
 Increasing clouds, with a high near 41.
Saturday Night
 
 Mostly cloudy, with a low around 33.
Sunday
 
 Mostly sunny, with a high near 46.
Sunday Night
 
 Partly cloudy, with a low around 25.
Monday
 
 Sunny, with a high near 34.
Monday Night
 
 Partly cloudy, with a low around 24.
Tuesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Tuesday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
 
 Mostly sunny, with a high near 41.

 

Forecast from NOAA-NWS for West Haven CT.