National Weather Service Forecast for: West Haven CT
Issued by: National Weather Service New York, NY
Updated: 2:27 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 42. South wind around 7 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening.
Mostly Cloudy

 Friday

Friday: A 40 percent chance of rain after 2pm. Partly sunny, with a high near 49. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Mostly Sunny
then Chance
Rain
 Friday
Night
Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely

 Saturday

Saturday: Mostly sunny, with a high near 54. Northwest wind 6 to 8 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 38.
Mostly Cloudy

 Sunday

Sunday: A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 53.
Mostly Cloudy
then Chance
Rain
 Sunday
Night
Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Rain Likely

 Monday

Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Rain Likely
then Chance
Rain
Hi 42 °F Lo 32 °F Hi 49 °F Lo 41 °F Hi 54 °F Lo 38 °F Hi 53 °F Lo 39 °F Hi 50 °F

 

This Afternoon
 
 Partly sunny, with a high near 42. South wind around 7 mph.
Tonight
 
 Mostly cloudy, with a low around 32. South wind around 5 mph becoming calm in the evening.
Friday
 
 A 40 percent chance of rain after 2pm. Partly sunny, with a high near 49. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
 
 Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Mostly sunny, with a high near 54. Northwest wind 6 to 8 mph.
Saturday Night
 
 Mostly cloudy, with a low around 38.
Sunday
 
 A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 53.
Sunday Night
 
 Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Monday
 
 Rain likely, mainly before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 29.
Tuesday
 
 Mostly sunny, with a high near 43.
Tuesday Night
 
 Partly cloudy, with a low around 32.
Wednesday
 
 Partly sunny, with a high near 46.

 

Forecast from NOAA-NWS for West Haven CT.